212232310031 has 32 divisors (see below), whose sum is σ = 251151487488. Its totient is φ = 175572633600.

The previous prime is 212232309979. The next prime is 212232310049. The reversal of 212232310031 is 130013232212.

It is not a de Polignac number, because 212232310031 - 2⁶ = 212232309967 is a prime.

It is a super-2 number, since 2×212232310031² (a number of 23 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 = 212232309985 and 212232310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232310331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12906791 + ... + 12923223.

It is an arithmetic number, because the mean of its divisors is an integer number (7848483984).

Almost surely, 2^212232310031 is an apocalyptic number.

212232310031 is a deficient number, since it is larger than the sum of its proper divisors (38919177457).

212232310031 is a wasteful number, since it uses less digits than its factorization.

212232310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212232310031 its reverse (130013232212), we get a palindrome (342245542243).

The spelling of 212232310031 in words is "two hundred twelve billion, two hundred thirty-two million, three hundred ten thousand, thirty-one".