31334556242 has 64 divisors (see below), whose sum is σ = 53258010624. Its totient is φ = 13704128640.

The previous prime is 31334556199. The next prime is 31334556251. The reversal of 31334556242 is 24265543313.

It is a super-2 number, since 2×31334556242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31334556196 and 31334556205.

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 31 ways as a sum of consecutive naturals, for example, 19995743 + ... + 19997309.

It is an arithmetic number, because the mean of its divisors is an integer number (832156416).

Almost surely, 2^31334556242 is an apocalyptic number.

31334556242 is a deficient number, since it is larger than the sum of its proper divisors (21923454382).

31334556242 is a wasteful number, since it uses less digits than its factorization.

31334556242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its digits is 259200, while the sum is 38.

The spelling of 31334556242 in words is "thirty-one billion, three hundred thirty-four million, five hundred fifty-six thousand, two hundred forty-two".