231011311322200 has 48 divisors (see below), whose sum is σ = 537107164771680. Its totient is φ = 92403515333760.

The previous prime is 231011311322189. The next prime is 231011311322203. The reversal of 231011311322200 is 2223113110132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011311322203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12186049 + ... + 24708751.

It is an arithmetic number, because the mean of its divisors is an integer number (11189732599410).

Almost surely, 2^{231011311322200} is an apocalyptic number.

231011311322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231011311322200 is an abundant number, since it is smaller than the sum of its proper divisors (306095853449480).

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

231011311322200 is a wasteful number, since it uses less digits than its factorization.

231011311322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614956 (or 12614947 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231011311322200 its reverse (2223113110132), we get a palindrome (233234424432332).

The spelling of 231011311322200 in words is "two hundred thirty-one trillion, eleven billion, three hundred eleven million, three hundred twenty-two thousand, two hundred".