231210002331022 has 128 divisors (see below), whose sum is σ = 409878856977408. Its totient is φ = 96434312832000.

The previous prime is 231210002331019. The next prime is 231210002331037. The reversal of 231210002331022 is 220133200012132.

It is a super-2 number, since 2×231210002331022² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231210002330984 and 231210002331002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57074794897 + ... + 57074798947.

It is an arithmetic number, because the mean of its divisors is an integer number (3202178570136).

Almost surely, 2^{231210002331022} is an apocalyptic number.

231210002331022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231210002331022 is a deficient number, since it is larger than the sum of its proper divisors (178668854646386).

231210002331022 is a wasteful number, since it uses less digits than its factorization.

231210002331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231210002331022 its reverse (220133200012132), we get a palindrome (451343202343154).

The spelling of 231210002331022 in words is "two hundred thirty-one trillion, two hundred ten billion, two million, three hundred thirty-one thousand, twenty-two".