231203100211320 has 64 divisors (see below), whose sum is σ = 723766226757120. Its totient is φ = 58973544401024.

The previous prime is 231203100211277. The next prime is 231203100211327. The reversal of 231203100211320 is 23112001302132.

It is a super-2 number, since 2×231203100211320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231203100211327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41884616844 + ... + 41884622363.

It is an arithmetic number, because the mean of its divisors is an integer number (11308847293080).

Almost surely, 2^{231203100211320} is an apocalyptic number.

231203100211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231203100211320 is an abundant number, since it is smaller than the sum of its proper divisors (492563126545800).

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

231203100211320 is a wasteful number, since it uses less digits than its factorization.

231203100211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83769239244 (or 83769239240 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231203100211320 its reverse (23112001302132), we get a palindrome (254315101513452).

The spelling of 231203100211320 in words is "two hundred thirty-one trillion, two hundred three billion, one hundred million, two hundred eleven thousand, three hundred twenty".