120232131311 has 16 divisors (see below), whose sum is σ = 123519396000. Its totient is φ = 116967932928.

The previous prime is 120232131307. The next prime is 120232131361. The reversal of 120232131311 is 113131232021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120232131311 - 2² = 120232131307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120232131301) 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, 16356665 + ... + 16364013.

It is an arithmetic number, because the mean of its divisors is an integer number (7719962250).

Almost surely, 2^120232131311 is an apocalyptic number.

120232131311 is a deficient number, since it is larger than the sum of its proper divisors (3287264689).

120232131311 is a wasteful number, since it uses less digits than its factorization.

120232131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 120232131311 its reverse (113131232021), we get a palindrome (233363363332).

The spelling of 120232131311 in words is "one hundred twenty billion, two hundred thirty-two million, one hundred thirty-one thousand, three hundred eleven".