31379615494 has 8 divisors (see below), whose sum is σ = 47071165320. Its totient is φ = 15689227056.

The previous prime is 31379615489. The next prime is 31379615497. The reversal of 31379615494 is 49451697313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31379615497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219324 + ... + 332959.

It is an arithmetic number, because the mean of its divisors is an integer number (5883895665).

Almost surely, 2^31379615494 is an apocalyptic number.

31379615494 is a deficient number, since it is larger than the sum of its proper divisors (15691549826).

31379615494 is a wasteful number, since it uses less digits than its factorization.

31379615494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580694.

The product of its digits is 2449440, while the sum is 52.

The spelling of 31379615494 in words is "thirty-one billion, three hundred seventy-nine million, six hundred fifteen thousand, four hundred ninety-four".