210232111031 has 64 divisors (see below), whose sum is σ = 239861760000. Its totient is φ = 183325887360.

The previous prime is 210232110961. The next prime is 210232111081. The reversal of 210232111031 is 130111232012.

It is a cyclic number.

It is not a de Polignac number, because 210232111031 - 2¹⁴ = 210232094647 is a prime.

It is a super-2 number, since 2×210232111031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210232111081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431687870 + ... + 431688356.

It is an arithmetic number, because the mean of its divisors is an integer number (3747840000).

Almost surely, 2^210232111031 is an apocalyptic number.

210232111031 is a deficient number, since it is larger than the sum of its proper divisors (29629648969).

210232111031 is a wasteful number, since it uses less digits than its factorization.

210232111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210232111031 its reverse (130111232012), we get a palindrome (340343343043).

The spelling of 210232111031 in words is "two hundred ten billion, two hundred thirty-two million, one hundred eleven thousand, thirty-one".