31040423034 has 16 divisors (see below), whose sum is σ = 63098565600. Its totient is φ = 10177187760.

The previous prime is 31040423023. The next prime is 31040423087. The reversal of 31040423034 is 43032404013.

It is a junction number, because it is equal to n+sod(n) for n = 31040422995 and 31040423013.

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, 42404584 + ... + 42405315.

It is an arithmetic number, because the mean of its divisors is an integer number (3943660350).

Almost surely, 2^31040423034 is an apocalyptic number.

31040423034 is an abundant number, since it is smaller than the sum of its proper divisors (32058142566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31040423034 is a wasteful number, since it uses less digits than its factorization.

31040423034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84809965.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31040423034 its reverse (43032404013), we get a palindrome (74072827047).

The spelling of 31040423034 in words is "thirty-one billion, forty million, four hundred twenty-three thousand, thirty-four".