31234031418 has 32 divisors (see below), whose sum is σ = 65653056000. Its totient is φ = 9887025456.

The previous prime is 31234031401. The next prime is 31234031461. The reversal of 31234031418 is 81413043213.

It is a happy number.

It is a super-2 number, since 2×31234031418² (a number of 22 digits) contains 22 as substring.

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, 794968 + ... + 833331.

It is an arithmetic number, because the mean of its divisors is an integer number (2051658000).

Almost surely, 2^31234031418 is an apocalyptic number.

31234031418 is an abundant number, since it is smaller than the sum of its proper divisors (34419024582).

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

31234031418 is a wasteful number, since it uses less digits than its factorization.

31234031418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628466.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 31234031418 in words is "thirty-one billion, two hundred thirty-four million, thirty-one thousand, four hundred eighteen".