31423324430204 has 48 divisors (see below), whose sum is σ = 64085994255360. Its totient is φ = 13202808943680.

The previous prime is 31423324430177. The next prime is 31423324430221. The reversal of 31423324430204 is 40203442332413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25308407 + ... + 26520974.

It is an arithmetic number, because the mean of its divisors is an integer number (1335124880320).

Almost surely, 2^{31423324430204} is an apocalyptic number.

It is an amenable number.

31423324430204 is an abundant number, since it is smaller than the sum of its proper divisors (32662669825156).

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

31423324430204 is a wasteful number, since it uses less digits than its factorization.

31423324430204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51829818 (or 51829816 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 31423324430204 its reverse (40203442332413), we get a palindrome (71626766762617).

The spelling of 31423324430204 in words is "thirty-one trillion, four hundred twenty-three billion, three hundred twenty-four million, four hundred thirty thousand, two hundred four".