231545355053344 has 48 divisors (see below), whose sum is σ = 460592008846200. Its totient is φ = 114572169252864.

The previous prime is 231545355053321. The next prime is 231545355053347. The reversal of 231545355053344 is 443350553545132.

It can be written as a sum of positive squares in 4 ways, for example, as 148703684025744 + 82841671027600 = 12194412^2 + 9101740^2 .

It is a super-2 number, since 2×231545355053344² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231545355053291 and 231545355053300.

It is not an unprimeable number, because it can be changed into a prime (231545355053347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37146697 + ... + 42929800.

Almost surely, 2^{231545355053344} is an apocalyptic number.

It is an amenable number.

231545355053344 is a deficient number, since it is larger than the sum of its proper divisors (229046653792856).

231545355053344 is a wasteful number, since it uses less digits than its factorization.

231545355053344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80077445 (or 80077437 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 52.

The spelling of 231545355053344 in words is "two hundred thirty-one trillion, five hundred forty-five billion, three hundred fifty-five million, fifty-three thousand, three hundred forty-four".