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131011113033312 = 2531364699094097
BaseRepresentation
bin11101110010011101100110…
…110110101001111001100000
3122011212112120201120022001020
4131302131212312221321200
5114132441224414031222
61142345401403205440
736411145340530521
oct3562354666517140
9564775521508036
10131011113033312
1138820556944576
121283a9b8816880
1358143ab003285
14244cd864da848
151022d7677a65c
hex772766da9e60

131011113033312 has 24 divisors (see below), whose sum is σ = 343904171712696. Its totient is φ = 43670371011072.

The previous prime is 131011113033299. The next prime is 131011113033313. The reversal of 131011113033312 is 213330311110131.

It is a tau number, because it is divible by the number of its divisors (24).

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 (131011113033313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682349546953 + ... + 682349547144.

It is an arithmetic number, because the mean of its divisors is an integer number (14329340488029).

Almost surely, 2131011113033312 is an apocalyptic number.

131011113033312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131011113033312 is an abundant number, since it is smaller than the sum of its proper divisors (212893058679384).

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

131011113033312 is a wasteful number, since it uses less digits than its factorization.

131011113033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364699094110 (or 1364699094102 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 131011113033312 its reverse (213330311110131), we get a palindrome (344341424143443).

The spelling of 131011113033312 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, thirty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1364699094097 2729398188194 4094097282291 5458796376388 8188194564582 10917592752776 16376389129164 21835185505552 32752778258328 43670371011104 65505556516656 131011113033312