101131026512 has 10 divisors (see below), whose sum is σ = 195941363898. Its totient is φ = 50565513248.

The previous prime is 101131026511. The next prime is 101131026613. The reversal of 101131026512 is 215620131101.

It can be written as a sum of positive squares in only one way, i.e., 98950510096 + 2180516416 = 314564^2 + 46696^2 .

It is a super-2 number, since 2×101131026512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131026511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160344563 + ... + 3160344594.

Almost surely, 2^101131026512 is an apocalyptic number.

It is an amenable number.

101131026512 is a deficient number, since it is larger than the sum of its proper divisors (94810337386).

101131026512 is an equidigital number, since it uses as much as digits as its factorization.

101131026512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320689165 (or 6320689159 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 101131026512 its reverse (215620131101), we get a palindrome (316751157613).

The spelling of 101131026512 in words is "one hundred one billion, one hundred thirty-one million, twenty-six thousand, five hundred twelve".