31304043022 has 16 divisors (see below), whose sum is σ = 53785222272. Its totient is φ = 13385731320.

The previous prime is 31304043007. The next prime is 31304043031. The reversal of 31304043022 is 22034040313.

It is a happy number.

It is a super-3 number, since 3×31304043022³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31304042984 and 31304043002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517504 + ... + 2529907.

It is an arithmetic number, because the mean of its divisors is an integer number (3361576392).

Almost surely, 2^31304043022 is an apocalyptic number.

31304043022 is a deficient number, since it is larger than the sum of its proper divisors (22481179250).

31304043022 is a wasteful number, since it uses less digits than its factorization.

31304043022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047863.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31304043022 its reverse (22034040313), we get a palindrome (53338083335).

The spelling of 31304043022 in words is "thirty-one billion, three hundred four million, forty-three thousand, twenty-two".