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131000231210000 = 2454311732442667
BaseRepresentation
bin11101110010010011011110…
…001111110010110000010000
3122011211111111100111101202012
4131302103132033302300100
5114132301433142210000
61142340401520042052
736410311564543235
oct3562233617626020
9564744440441665
10131000231210000
1138816982392669
1212838880463328
135813365714979
14244c6331cd78c
15102293b281735
hex7724de3f2c10

131000231210000 has 200 divisors, whose sum is σ = 329288373790464. Its totient is φ = 50416626240000.

The previous prime is 131000231209997. The next prime is 131000231210011. The reversal of 131000231210000 is 12132000131.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×1310002312100002 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52408667 + ... + 54851333.

Almost surely, 2131000231210000 is an apocalyptic number.

131000231210000 is a gapful number since it is divisible by the number (10) 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 131000231210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164644186895232).

131000231210000 is an abundant number, since it is smaller than the sum of its proper divisors (198288142580464).

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

131000231210000 is a wasteful number, since it uses less digits than its factorization.

131000231210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442899 (or 2442878 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131000231210000 its reverse (12132000131), we get a palindrome (131012363210131).

The spelling of 131000231210000 in words is "one hundred thirty-one trillion, two hundred thirty-one million, two hundred ten thousand".