231002099292 has 48 divisors (see below), whose sum is σ = 551593277312. Its totient is φ = 75202706880.

The previous prime is 231002099291. The next prime is 231002099329. The reversal of 231002099292 is 292990200132.

231002099292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231002099292² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231002099292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002099291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8764518 + ... + 8790834.

Almost surely, 2^231002099292 is an apocalyptic number.

It is an amenable number.

231002099292 is an abundant number, since it is smaller than the sum of its proper divisors (320591178020).

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

231002099292 is a wasteful number, since it uses less digits than its factorization.

231002099292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43378 (or 43376 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 231002099292 in words is "two hundred thirty-one billion, two million, ninety-nine thousand, two hundred ninety-two".