973351231 has 4 divisors (see below), whose sum is σ = 973659832. Its totient is φ = 973042632.

The previous prime is 973351219. The next prime is 973351271. The reversal of 973351231 is 132153379.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 973351231 - 2⁵ = 973351199 is a prime.

It is a super-2 number, since 2×973351231² = 1894825237778430722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973351271) 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, 149520 + ... + 155893.

It is an arithmetic number, because the mean of its divisors is an integer number (243414958).

Almost surely, 2^973351231 is an apocalyptic number.

973351231 is a deficient number, since it is larger than the sum of its proper divisors (308601).

973351231 is a wasteful number, since it uses less digits than its factorization.

973351231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308600.

The product of its digits is 17010, while the sum is 34.

The square root of 973351231 is about 31198.5773874387. The cubic root of 973351231 is about 991.0369813128.

The spelling of 973351231 in words is "nine hundred seventy-three million, three hundred fifty-one thousand, two hundred thirty-one".