31396547000 has 128 divisors (see below), whose sum is σ = 90422317440. Its totient is φ = 9936460800.

The previous prime is 31396546997. The next prime is 31396547023. The reversal of 31396547000 is 74569313.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81509 + ... + 263508.

It is an arithmetic number, because the mean of its divisors is an integer number (706424355).

Almost surely, 2^31396547000 is an apocalyptic number.

It is an amenable number.

31396547000 is an abundant number, since it is smaller than the sum of its proper divisors (59025770440).

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

31396547000 is a wasteful number, since it uses less digits than its factorization.

31396547000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345058 (or 345044 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 31396547000 in words is "thirty-one billion, three hundred ninety-six million, five hundred forty-seven thousand".