231445383544132 has 96 divisors (see below), whose sum is σ = 418724452510560. Its totient is φ = 111899153203200.

The previous prime is 231445383544079. The next prime is 231445383544157.

231445383544132 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 9374766206976 + 222070617337156 = 3061824^2 + 14902034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231445383544132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603968244 + ... + 1604112532.

It is an arithmetic number, because the mean of its divisors is an integer number (4361713046985).

Almost surely, 2^{231445383544132} is an apocalyptic number.

It is an amenable number.

231445383544132 is a deficient number, since it is larger than the sum of its proper divisors (187279068966428).

231445383544132 is a wasteful number, since it uses less digits than its factorization.

231445383544132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145001 (or 144999 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 52.

The spelling of 231445383544132 in words is "two hundred thirty-one trillion, four hundred forty-five billion, three hundred eighty-three million, five hundred forty-four thousand, one hundred thirty-two".