131102010031 has 4 divisors (see below), whose sum is σ = 138813892992. Its totient is φ = 123390127072.

The previous prime is 131102010001. The next prime is 131102010059. The reversal of 131102010031 is 130010201131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131102010031 - 2⁵ = 131102009999 is a prime.

It is a super-2 number, since 2×131102010031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131102009993 and 131102010020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102010001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855941455 + ... + 3855941488.

It is an arithmetic number, because the mean of its divisors is an integer number (34703473248).

Almost surely, 2^131102010031 is an apocalyptic number.

131102010031 is a deficient number, since it is larger than the sum of its proper divisors (7711882961).

131102010031 is an equidigital number, since it uses as much as digits as its factorization.

131102010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711882960.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131102010031 its reverse (130010201131), we get a palindrome (261112211162).

The spelling of 131102010031 in words is "one hundred thirty-one billion, one hundred two million, ten thousand, thirty-one".