31143545704 has 32 divisors (see below), whose sum is σ = 59654304000. Its totient is φ = 15235928640.

The previous prime is 31143545689. The next prime is 31143545707. The reversal of 31143545704 is 40754534113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31143545707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501597 + ... + 1522195.

It is an arithmetic number, because the mean of its divisors is an integer number (1864197000).

Almost surely, 2^31143545704 is an apocalyptic number.

It is an amenable number.

31143545704 is a deficient number, since it is larger than the sum of its proper divisors (28510758296).

31143545704 is a wasteful number, since it uses less digits than its factorization.

31143545704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24673 (or 24669 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 31143545704 in words is "thirty-one billion, one hundred forty-three million, five hundred forty-five thousand, seven hundred four".