31012114131 has 12 divisors (see below), whose sum is σ = 44897321040. Its totient is φ = 20627645040.

The previous prime is 31012114109. The next prime is 31012114141. The reversal of 31012114131 is 13141121013.

It is a happy number.

It is not a de Polignac number, because 31012114131 - 2⁵ = 31012114099 is a prime.

It is a super-2 number, since 2×31012114131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31012114141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3920640 + ... + 3928541.

It is an arithmetic number, because the mean of its divisors is an integer number (3741443420).

Almost surely, 2^31012114131 is an apocalyptic number.

31012114131 is a deficient number, since it is larger than the sum of its proper divisors (13885206909).

31012114131 is a wasteful number, since it uses less digits than its factorization.

31012114131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849626 (or 7849623 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 31012114131 its reverse (13141121013), we get a palindrome (44153235144).

The spelling of 31012114131 in words is "thirty-one billion, twelve million, one hundred fourteen thousand, one hundred thirty-one".