31004233422 has 32 divisors (see below), whose sum is σ = 64073324544. Its totient is φ = 9991274400.

The previous prime is 31004233417. The next prime is 31004233439. The reversal of 31004233422 is 22433240013.

It is a super-2 number, since 2×31004233422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31004233392 and 31004233401.

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, 101847 + ... + 269037.

It is an arithmetic number, because the mean of its divisors is an integer number (2002291392).

Almost surely, 2^31004233422 is an apocalyptic number.

31004233422 is an abundant number, since it is smaller than the sum of its proper divisors (33069091122).

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

31004233422 is a wasteful number, since it uses less digits than its factorization.

31004233422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168224.

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

Adding to 31004233422 its reverse (22433240013), we get a palindrome (53437473435).

The spelling of 31004233422 in words is "thirty-one billion, four million, two hundred thirty-three thousand, four hundred twenty-two".