231033254525040 has 320 divisors, whose sum is σ = 826187224633344. Its totient is φ = 52879365120000.

The previous prime is 231033254525039. The next prime is 231033254525069. The reversal of 231033254525040 is 40525452330132.

It is a self number, because there is not a number n which added to its sum of digits gives 231033254525040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31071231 + ... + 37782110.

Almost surely, 2^{231033254525040} is an apocalyptic number.

231033254525040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231033254525040 is an abundant number, since it is smaller than the sum of its proper divisors (595153970108304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231033254525040 is a wasteful number, since it uses less digits than its factorization.

231033254525040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68853440 (or 68853434 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 231033254525040 in words is "two hundred thirty-one trillion, thirty-three billion, two hundred fifty-four million, five hundred twenty-five thousand, forty".