31420803163 has 8 divisors (see below), whose sum is σ = 33270707232. Its totient is φ = 29571079296.

The previous prime is 31420803157. The next prime is 31420803181. The reversal of 31420803163 is 36130802413.

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

It is a cyclic number.

It is not a de Polignac number, because 31420803163 - 2⁵ = 31420803131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31420803763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508081 + ... + 566557.

It is an arithmetic number, because the mean of its divisors is an integer number (4158838404).

Almost surely, 2^31420803163 is an apocalyptic number.

31420803163 is a deficient number, since it is larger than the sum of its proper divisors (1849904069).

31420803163 is a wasteful number, since it uses less digits than its factorization.

31420803163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90101.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 31420803163 in words is "thirty-one billion, four hundred twenty million, eight hundred three thousand, one hundred sixty-three".