101311202031 has 16 divisors (see below), whose sum is σ = 147643730304. Its totient is φ = 61414825824.

The previous prime is 101311202011. The next prime is 101311202093. The reversal of 101311202031 is 130202113101.

It is a happy number.

It is not a de Polignac number, because 101311202031 - 2⁷ = 101311201903 is a prime.

It is a super-2 number, since 2×101311202031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101311202031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311202011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19383381 + ... + 19388606.

It is an arithmetic number, because the mean of its divisors is an integer number (9227733144).

Almost surely, 2^101311202031 is an apocalyptic number.

101311202031 is a deficient number, since it is larger than the sum of its proper divisors (46332528273).

101311202031 is a wasteful number, since it uses less digits than its factorization.

101311202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38772070.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101311202031 its reverse (130202113101), we get a palindrome (231513315132).

The spelling of 101311202031 in words is "one hundred one billion, three hundred eleven million, two hundred two thousand, thirty-one".