120232311031 has 16 divisors (see below), whose sum is σ = 141834325248. Its totient is φ = 99775166400.

The previous prime is 120232311029. The next prime is 120232311071. The reversal of 120232311031 is 130113232021.

It is not a de Polignac number, because 120232311031 - 2¹ = 120232311029 is a prime.

It is a super-2 number, since 2×120232311031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120232311071) 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, 1561365 + ... + 1636558.

It is an arithmetic number, because the mean of its divisors is an integer number (8864645328).

Almost surely, 2^120232311031 is an apocalyptic number.

120232311031 is a deficient number, since it is larger than the sum of its proper divisors (21602014217).

120232311031 is a wasteful number, since it uses less digits than its factorization.

120232311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198102.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120232311031 its reverse (130113232021), we get a palindrome (250345543052).

The spelling of 120232311031 in words is "one hundred twenty billion, two hundred thirty-two million, three hundred eleven thousand, thirty-one".