31341040423142 has 16 divisors (see below), whose sum is σ = 49778726893632. Its totient is φ = 14748197397120.

The previous prime is 31341040423139. The next prime is 31341040423151. The reversal of 31341040423142 is 24132404014313.

It is a junction number, because it is equal to n+sod(n) for n = 31341040423099 and 31341040423108.

It is a congruent number.

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, 15519209 + ... + 17422052.

It is an arithmetic number, because the mean of its divisors is an integer number (3111170430852).

Almost surely, 2^{31341040423142} is an apocalyptic number.

31341040423142 is a deficient number, since it is larger than the sum of its proper divisors (18437686470490).

31341040423142 is a wasteful number, since it uses less digits than its factorization.

31341040423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32969263.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31341040423142 its reverse (24132404014313), we get a palindrome (55473444437455).

The spelling of 31341040423142 in words is "thirty-one trillion, three hundred forty-one billion, forty million, four hundred twenty-three thousand, one hundred forty-two".