989023233131 has 16 divisors (see below), whose sum is σ = 1063790664480. Its totient is φ = 916124183040.

The previous prime is 989023233109. The next prime is 989023233137. The reversal of 989023233131 is 131332320989.

It is a cyclic number.

It is not a de Polignac number, because 989023233131 - 2²⁶ = 988956124267 is a prime.

It is a super-2 number, since 2×989023233131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (989023233137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871661 + ... + 1654641.

It is an arithmetic number, because the mean of its divisors is an integer number (66486916530).

Almost surely, 2^989023233131 is an apocalyptic number.

989023233131 is a deficient number, since it is larger than the sum of its proper divisors (74767431349).

989023233131 is a wasteful number, since it uses less digits than its factorization.

989023233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784174.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 989023233131 in words is "nine hundred eighty-nine billion, twenty-three million, two hundred thirty-three thousand, one hundred thirty-one".