212331013020231 has 64 divisors (see below), whose sum is σ = 342835237355520. Its totient is φ = 114186988016640.

The previous prime is 212331013020173. The next prime is 212331013020241. The reversal of 212331013020231 is 132020310133212.

It is not a de Polignac number, because 212331013020231 - 2²¹ = 212331010923079 is a prime.

It is a super-2 number, since 2×212331013020231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212331013020241) 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, 53487735 + ... + 57320151.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800583680).

Almost surely, 2^{212331013020231} is an apocalyptic number.

212331013020231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212331013020231 is a deficient number, since it is larger than the sum of its proper divisors (130504224335289).

212331013020231 is a wasteful number, since it uses less digits than its factorization.

212331013020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833364.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 212331013020231 its reverse (132020310133212), we get a palindrome (344351323153443).

The spelling of 212331013020231 in words is "two hundred twelve trillion, three hundred thirty-one billion, thirteen million, twenty thousand, two hundred thirty-one".