231521030001300 has 72 divisors (see below), whose sum is σ = 721395783749536. Its totient is φ = 56989791999360.

The previous prime is 231521030001277. The next prime is 231521030001323. The reversal of 231521030001300 is 3100030125132.

It is an interprime number because it is at equal distance from previous prime (231521030001277) and next prime (231521030001323).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29682179434 + ... + 29682187233.

Almost surely, 2^{231521030001300} is an apocalyptic number.

231521030001300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231521030001300 is an abundant number, since it is smaller than the sum of its proper divisors (489874753748236).

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

231521030001300 is a wasteful number, since it uses less digits than its factorization.

231521030001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59364366697 (or 59364366690 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 231521030001300 its reverse (3100030125132), we get a palindrome (234621060126432).

The spelling of 231521030001300 in words is "two hundred thirty-one trillion, five hundred twenty-one billion, thirty million, one thousand, three hundred".