213110332432431 has 32 divisors (see below), whose sum is σ = 338860897182720. Its totient is φ = 116481898942464.

The previous prime is 213110332432397. The next prime is 213110332432433. The reversal of 213110332432431 is 134234233011312.

It is not a de Polignac number, because 213110332432431 - 2³⁰ = 213109258690607 is a prime.

It is a super-2 number, since 2×213110332432431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213110332432392 and 213110332432401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110332432433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76249711 + ... + 78995183.

It is an arithmetic number, because the mean of its divisors is an integer number (10589403036960).

Almost surely, 2^{213110332432431} is an apocalyptic number.

213110332432431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213110332432431 is a deficient number, since it is larger than the sum of its proper divisors (125750564750289).

213110332432431 is a wasteful number, since it uses less digits than its factorization.

213110332432431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906215.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 213110332432431 its reverse (134234233011312), we get a palindrome (347344565443743).

The spelling of 213110332432431 in words is "two hundred thirteen trillion, one hundred ten billion, three hundred thirty-two million, four hundred thirty-two thousand, four hundred thirty-one".