31970018485 has 8 divisors (see below), whose sum is σ = 38936619936. Its totient is φ = 25194282960.

The previous prime is 31970018477. The next prime is 31970018497. The reversal of 31970018485 is 58481007913.

It is a happy number.

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

It is not a de Polignac number, because 31970018485 - 2³ = 31970018477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47716111 + ... + 47716780.

It is an arithmetic number, because the mean of its divisors is an integer number (4867077492).

Almost surely, 2^31970018485 is an apocalyptic number.

It is an amenable number.

31970018485 is a deficient number, since it is larger than the sum of its proper divisors (6966601451).

31970018485 is an equidigital number, since it uses as much as digits as its factorization.

31970018485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95432963.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 31970018485 in words is "thirty-one billion, nine hundred seventy million, eighteen thousand, four hundred eighty-five".