31340146016 has 24 divisors (see below), whose sum is σ = 61806061800. Its totient is φ = 15643368448.

The previous prime is 31340146009. The next prime is 31340146031. The reversal of 31340146016 is 61064104313.

It is a self number, because there is not a number n which added to its sum of digits gives 31340146016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815441 + ... + 853008.

It is an arithmetic number, because the mean of its divisors is an integer number (2575252575).

Almost surely, 2^31340146016 is an apocalyptic number.

It is an amenable number.

31340146016 is a deficient number, since it is larger than the sum of its proper divisors (30465915784).

31340146016 is a wasteful number, since it uses less digits than its factorization.

31340146016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669046 (or 1669038 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 31340146016 in words is "thirty-one billion, three hundred forty million, one hundred forty-six thousand, sixteen".