210231220132031 has 12 divisors (see below), whose sum is σ = 245152617881040. Its totient is φ = 179757606299040.

The previous prime is 210231220131967. The next prime is 210231220132049. The reversal of 210231220132031 is 130231022132012.

It is not a de Polignac number, because 210231220132031 - 2⁶ = 210231220131967 is a prime.

It is a super-2 number, since 2×210231220132031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210231220131988 and 210231220132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210231220132061) 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, 5245008155 + ... + 5245048236.

It is an arithmetic number, because the mean of its divisors is an integer number (20429384823420).

Almost surely, 2^{210231220132031} is an apocalyptic number.

210231220132031 is a deficient number, since it is larger than the sum of its proper divisors (34921397749009).

210231220132031 is a wasteful number, since it uses less digits than its factorization.

210231220132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490056814 (or 10490056807 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 210231220132031 its reverse (130231022132012), we get a palindrome (340462242264043).

The spelling of 210231220132031 in words is "two hundred ten trillion, two hundred thirty-one billion, two hundred twenty million, one hundred thirty-two thousand, thirty-one".