31070939793 has 16 divisors (see below), whose sum is σ = 42879170880. Its totient is φ = 19989091136.

The previous prime is 31070939789. The next prime is 31070939803. The reversal of 31070939793 is 39793907013.

It is a cyclic number.

It is not a de Polignac number, because 31070939793 - 2² = 31070939789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31070939743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72271 + ... + 259547.

It is an arithmetic number, because the mean of its divisors is an integer number (2679948180).

Almost surely, 2^31070939793 is an apocalyptic number.

It is an amenable number.

31070939793 is a deficient number, since it is larger than the sum of its proper divisors (11808231087).

31070939793 is a wasteful number, since it uses less digits than its factorization.

31070939793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189216.

The product of its (nonzero) digits is 964467, while the sum is 51.

The spelling of 31070939793 in words is "thirty-one billion, seventy million, nine hundred thirty-nine thousand, seven hundred ninety-three".