2312213021331 has 32 divisors (see below), whose sum is σ = 3167502451200. Its totient is φ = 1499749708800.

The previous prime is 2312213021329. The next prime is 2312213021369. The reversal of 2312213021331 is 1331203122132.

It is not a de Polignac number, because 2312213021331 - 2¹ = 2312213021329 is a prime.

It is a super-2 number, since 2×2312213021331² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312213021381) 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, 47474850 + ... + 47523528.

It is an arithmetic number, because the mean of its divisors is an integer number (98984451600).

Almost surely, 2^{2312213021331} is an apocalyptic number.

2312213021331 is a deficient number, since it is larger than the sum of its proper divisors (855289429869).

2312213021331 is a wasteful number, since it uses less digits than its factorization.

2312213021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51499.

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

Adding to 2312213021331 its reverse (1331203122132), we get a palindrome (3643416143463).

The spelling of 2312213021331 in words is "two trillion, three hundred twelve billion, two hundred thirteen million, twenty-one thousand, three hundred thirty-one".