1232351331351 has 64 divisors (see below), whose sum is σ = 1937110990848. Its totient is φ = 682379520768.

The previous prime is 1232351331349. The next prime is 1232351331361. The reversal of 1232351331351 is 1531331532321.

It is not a de Polignac number, because 1232351331351 - 2¹ = 1232351331349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232351331361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39322650 + ... + 39353976.

It is an arithmetic number, because the mean of its divisors is an integer number (30267359232).

Almost surely, 2^{1232351331351} is an apocalyptic number.

1232351331351 is a deficient number, since it is larger than the sum of its proper divisors (704759659497).

1232351331351 is a wasteful number, since it uses less digits than its factorization.

1232351331351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31860.

The product of its digits is 24300, while the sum is 33.

Adding to 1232351331351 its reverse (1531331532321), we get a palindrome (2763682863672).

The spelling of 1232351331351 in words is "one trillion, two hundred thirty-two billion, three hundred fifty-one million, three hundred thirty-one thousand, three hundred fifty-one".