2231532440051 has 16 divisors (see below), whose sum is σ = 2357372295168. Its totient is φ = 2109070656000.

The previous prime is 2231532440047. The next prime is 2231532440063. The reversal of 2231532440051 is 1500442351322.

2231532440051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2231532440051 - 2² = 2231532440047 is a prime.

It is a super-3 number, since 3×2231532440051³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231532440021) 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, 11429651 + ... + 11623251.

It is an arithmetic number, because the mean of its divisors is an integer number (147335768448).

Almost surely, 2^{2231532440051} is an apocalyptic number.

2231532440051 is a deficient number, since it is larger than the sum of its proper divisors (125839855117).

2231532440051 is a wasteful number, since it uses less digits than its factorization.

2231532440051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202322.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2231532440051 its reverse (1500442351322), we get a palindrome (3731974791373).

The spelling of 2231532440051 in words is "two trillion, two hundred thirty-one billion, five hundred thirty-two million, four hundred forty thousand, fifty-one".