31030102132131 has 32 divisors (see below), whose sum is σ = 41701472870400. Its totient is φ = 20523216823200.

The previous prime is 31030102132129. The next prime is 31030102132177. The reversal of 31030102132131 is 13123120103013.

It is a happy number.

It is not a de Polignac number, because 31030102132131 - 2¹ = 31030102132129 is a prime.

It is a super-2 number, since 2×31030102132131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31030102132098 and 31030102132107.

It is not an unprimeable number, because it can be changed into a prime (31030102132231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673095720 + ... + 673141818.

It is an arithmetic number, because the mean of its divisors is an integer number (1303171027200).

Almost surely, 2^{31030102132131} is an apocalyptic number.

31030102132131 is a deficient number, since it is larger than the sum of its proper divisors (10671370738269).

31030102132131 is a wasteful number, since it uses less digits than its factorization.

31030102132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48687.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31030102132131 its reverse (13123120103013), we get a palindrome (44153222235144).

The spelling of 31030102132131 in words is "thirty-one trillion, thirty billion, one hundred two million, one hundred thirty-two thousand, one hundred thirty-one".