212322330131 has 4 divisors (see below), whose sum is σ = 212446569600. Its totient is φ = 212198090664.

The previous prime is 212322330109. The next prime is 212322330137. The reversal of 212322330131 is 131033223212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212322330131 - 2¹⁴ = 212322313747 is a prime.

It is a super-2 number, since 2×212322330131² (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 = 212322330097 and 212322330106.

It is not an unprimeable number, because it can be changed into a prime (212322330137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62117171 + ... + 62120588.

It is an arithmetic number, because the mean of its divisors is an integer number (53111642400).

Almost surely, 2^212322330131 is an apocalyptic number.

212322330131 is a deficient number, since it is larger than the sum of its proper divisors (124239469).

212322330131 is a wasteful number, since it uses less digits than its factorization.

212322330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124239468.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212322330131 its reverse (131033223212), we get a palindrome (343355553343).

The spelling of 212322330131 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred thirty thousand, one hundred thirty-one".