231545444545132 has 6 divisors (see below), whose sum is σ = 405204527953988. Its totient is φ = 115772722272564.

The previous prime is 231545444545109. The next prime is 231545444545141.

It is a happy number.

231545444545132 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×231545444545132³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 231545444545132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28943180568138 + ... + 28943180568145.

Almost surely, 2^{231545444545132} is an apocalyptic number.

It is an amenable number.

231545444545132 is a deficient number, since it is larger than the sum of its proper divisors (173659083408856).

231545444545132 is a wasteful number, since it uses less digits than its factorization.

231545444545132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57886361136287 (or 57886361136285 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 52.

The spelling of 231545444545132 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred forty-four million, five hundred forty-five thousand, one hundred thirty-two".