31233013111101 has 64 divisors (see below), whose sum is σ = 45413577031680. Its totient is φ = 19035951264000.

The previous prime is 31233013111073. The next prime is 31233013111109. The reversal of 31233013111101 is 10111131033213.

It is not a de Polignac number, because 31233013111101 - 2⁶ = 31233013111037 is a prime.

It is a super-2 number, since 2×31233013111101² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233013111109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72294591 + ... + 72725331.

It is an arithmetic number, because the mean of its divisors is an integer number (709587141120).

Almost surely, 2^{31233013111101} is an apocalyptic number.

31233013111101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31233013111101 is a deficient number, since it is larger than the sum of its proper divisors (14180563920579).

31233013111101 is a wasteful number, since it uses less digits than its factorization.

31233013111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431218.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 31233013111101 its reverse (10111131033213), we get a palindrome (41344144144314).

The spelling of 31233013111101 in words is "thirty-one trillion, two hundred thirty-three billion, thirteen million, one hundred eleven thousand, one hundred one".