2231120232331 has 16 divisors (see below), whose sum is σ = 2351337206400. Its totient is φ = 2111183077248.

The previous prime is 2231120232329. The next prime is 2231120232371. The reversal of 2231120232331 is 1332320211322.

It is a cyclic number.

It is not a de Polignac number, because 2231120232331 - 2¹ = 2231120232329 is a prime.

It is a super-3 number, since 3×2231120232331³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231120232296 and 2231120232305.

It is not an unprimeable number, because it can be changed into a prime (2231120232371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146516340 + ... + 146531566.

It is an arithmetic number, because the mean of its divisors is an integer number (146958575400).

Almost surely, 2^{2231120232331} is an apocalyptic number.

2231120232331 is a deficient number, since it is larger than the sum of its proper divisors (120216974069).

2231120232331 is a wasteful number, since it uses less digits than its factorization.

2231120232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23898.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2231120232331 its reverse (1332320211322), we get a palindrome (3563440443653).

The spelling of 2231120232331 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, two hundred thirty-two thousand, three hundred thirty-one".