973275231 has 4 divisors (see below), whose sum is σ = 1297700312. Its totient is φ = 648850152.

The previous prime is 973275229. The next prime is 973275257. The reversal of 973275231 is 132572379.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 973275231 - 2¹ = 973275229 is a prime.

It is a super-2 number, since 2×973275231² = 1894529350556206722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 973275231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973275131) 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, 162212536 + ... + 162212541.

It is an arithmetic number, because the mean of its divisors is an integer number (324425078).

Almost surely, 2^973275231 is an apocalyptic number.

973275231 is a deficient number, since it is larger than the sum of its proper divisors (324425081).

973275231 is a wasteful number, since it uses less digits than its factorization.

973275231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324425080.

The product of its digits is 79380, while the sum is 39.

The square root of 973275231 is about 31197.3593594073. The cubic root of 973275231 is about 991.0111870025.

The spelling of 973275231 in words is "nine hundred seventy-three million, two hundred seventy-five thousand, two hundred thirty-one".