231031122330204 has 384 divisors, whose sum is σ = 693477227520000. Its totient is φ = 65151719760384.

The previous prime is 231031122330149. The next prime is 231031122330221. The reversal of 231031122330204 is 402033221130132.

231031122330204 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 3 + 1 + 122 + 330 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30007935147 + ... + 30007942845.

It is an arithmetic number, because the mean of its divisors is an integer number (1805930280000).

Almost surely, 2^{231031122330204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231031122330204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346738613760000).

231031122330204 is an abundant number, since it is smaller than the sum of its proper divisors (462446105189796).

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

231031122330204 is a wasteful number, since it uses less digits than its factorization.

231031122330204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142 (or 9134 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 231031122330204 its reverse (402033221130132), we get a palindrome (633064343460336).

The spelling of 231031122330204 in words is "two hundred thirty-one trillion, thirty-one billion, one hundred twenty-two million, three hundred thirty thousand, two hundred four".