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131011013212152 = 23323471031492931123
BaseRepresentation
bin11101110010011101100000…
…111001110111011111111000
3122011212112022202201212011020
4131302131200321313133320
5114132441023340242102
61142345343435502440
736411143016211653
oct3562354071673770
9564775282655136
10131011013212152
1138820505565447
121283a98b2b7a20
135814393422cb8
14244cd7715489a
151022d6cb0dbbc
hex772760e777f8

131011013212152 has 512 divisors, whose sum is σ = 356321452032000. Its totient is φ = 40041293174784.

The previous prime is 131011013212081. The next prime is 131011013212153. The reversal of 131011013212152 is 251212310110131.

It is a super-2 number, since 2×1310110132121522 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011013212153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 116661631863 + ... + 116661632985.

It is an arithmetic number, because the mean of its divisors is an integer number (695940336000).

Almost surely, 2131011013212152 is an apocalyptic number.

131011013212152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131011013212152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178160726016000).

131011013212152 is an abundant number, since it is smaller than the sum of its proper divisors (225310438819848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131011013212152 is a wasteful number, since it uses less digits than its factorization.

131011013212152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 131011013212152 its reverse (251212310110131), we get a palindrome (382223323322283).

The spelling of 131011013212152 in words is "one hundred thirty-one trillion, eleven billion, thirteen million, two hundred twelve thousand, one hundred fifty-two".