31253412343144 has 32 divisors (see below), whose sum is σ = 59032483776000. Its totient is φ = 15511555501120.

The previous prime is 31253412343099. The next prime is 31253412343151. The reversal of 31253412343144 is 44134321435213.

It is a junction number, because it is equal to n+sod(n) for n = 31253412343097 and 31253412343106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6875032 + ... + 10477255.

It is an arithmetic number, because the mean of its divisors is an integer number (1844765118000).

Almost surely, 2^{31253412343144} is an apocalyptic number.

It is an amenable number.

31253412343144 is a deficient number, since it is larger than the sum of its proper divisors (27779071432856).

31253412343144 is a wasteful number, since it uses less digits than its factorization.

31253412343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353953 (or 17353949 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

Adding to 31253412343144 its reverse (44134321435213), we get a palindrome (75387733778357).

The spelling of 31253412343144 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred twelve million, three hundred forty-three thousand, one hundred forty-four".