97232189831 has 16 divisors (see below), whose sum is σ = 114278208000. Its totient is φ = 80994580128.

The previous prime is 97232189801. The next prime is 97232189869. The reversal of 97232189831 is 13898123279.

It is a happy number.

It is not a de Polignac number, because 97232189831 - 2¹⁸ = 97231927687 is a prime.

It is a super-2 number, since 2×97232189831² (a number of 23 digits) 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 (97232189801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751736 + ... + 871533.

It is an arithmetic number, because the mean of its divisors is an integer number (7142388000).

Almost surely, 2^97232189831 is an apocalyptic number.

97232189831 is a deficient number, since it is larger than the sum of its proper divisors (17046018169).

97232189831 is a wasteful number, since it uses less digits than its factorization.

97232189831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623518.

The product of its digits is 1306368, while the sum is 53.

The spelling of 97232189831 in words is "ninety-seven billion, two hundred thirty-two million, one hundred eighty-nine thousand, eight hundred thirty-one".