231024653040 has 80 divisors (see below), whose sum is σ = 717154018848. Its totient is φ = 61522480128.

The previous prime is 231024653011. The next prime is 231024653081. The reversal of 231024653040 is 40356420132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×231024653040³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 231024652989 and 231024653007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480699 + ... + 832538.

Almost surely, 2^231024653040 is an apocalyptic number.

231024653040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231024653040 is an abundant number, since it is smaller than the sum of its proper divisors (486129365808).

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

231024653040 is a wasteful number, since it uses less digits than its factorization.

231024653040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313986 (or 1313980 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 231024653040 in words is "two hundred thirty-one billion, twenty-four million, six hundred fifty-three thousand, forty".