101015231312 has 20 divisors (see below), whose sum is σ = 195724937460. Its totient is φ = 50505570048.

The previous prime is 101015231281. The next prime is 101015231323. The reversal of 101015231312 is 213132510101.

It can be written as a sum of positive squares in 2 ways, for example, as 60007361296 + 41007870016 = 244964^2 + 202504^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329018 + ... + 557030.

It is an arithmetic number, because the mean of its divisors is an integer number (9786246873).

Almost surely, 2^101015231312 is an apocalyptic number.

It is an amenable number.

101015231312 is a deficient number, since it is larger than the sum of its proper divisors (94709706148).

101015231312 is a wasteful number, since it uses less digits than its factorization.

101015231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255710 (or 255704 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 101015231312 its reverse (213132510101), we get a palindrome (314147741413).

The spelling of 101015231312 in words is "one hundred one billion, fifteen million, two hundred thirty-one thousand, three hundred twelve".