31254141131 has 4 divisors (see below), whose sum is σ = 32262339264. Its totient is φ = 30245943000.

The previous prime is 31254141101. The next prime is 31254141133. The reversal of 31254141131 is 13114145213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13114145213 = 13 ⋅1008780401.

It is a cyclic number.

It is not a de Polignac number, because 31254141131 - 2¹⁰ = 31254140107 is a prime.

It is a super-2 number, since 2×31254141131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31254141131.

It is not an unprimeable number, because it can be changed into a prime (31254141133) 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, 504099020 + ... + 504099081.

It is an arithmetic number, because the mean of its divisors is an integer number (8065584816).

Almost surely, 2^31254141131 is an apocalyptic number.

31254141131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31254141131 is a deficient number, since it is larger than the sum of its proper divisors (1008198133).

31254141131 is a wasteful number, since it uses less digits than its factorization.

31254141131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008198132.

The product of its digits is 1440, while the sum is 26.

Adding to 31254141131 its reverse (13114145213), we get a palindrome (44368286344).

The spelling of 31254141131 in words is "thirty-one billion, two hundred fifty-four million, one hundred forty-one thousand, one hundred thirty-one".