231232021322001 has 32 divisors (see below), whose sum is σ = 355918693800960. Its totient is φ = 130797546730176.

The previous prime is 231232021321993. The next prime is 231232021322063. The reversal of 231232021322001 is 100223120232132.

It is not a de Polignac number, because 231232021322001 - 2³ = 231232021321993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231232021322801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36430806 + ... + 42304463.

It is an arithmetic number, because the mean of its divisors is an integer number (11122459181280).

Almost surely, 2^{231232021322001} is an apocalyptic number.

231232021322001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231232021322001 is a deficient number, since it is larger than the sum of its proper divisors (124686672478959).

231232021322001 is a wasteful number, since it uses less digits than its factorization.

231232021322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78736693.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231232021322001 its reverse (100223120232132), we get a palindrome (331455141554133).

The spelling of 231232021322001 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, twenty-one million, three hundred twenty-two thousand, one".