120142431311 has 16 divisors (see below), whose sum is σ = 142067365440. Its totient is φ = 99409282560.

The previous prime is 120142431307. The next prime is 120142431319. The reversal of 120142431311 is 113134241021.

It is not a de Polignac number, because 120142431311 - 2² = 120142431307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142431319) 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, 1067165 + ... + 1174361.

It is an arithmetic number, because the mean of its divisors is an integer number (8879210340).

Almost surely, 2^120142431311 is an apocalyptic number.

120142431311 is a deficient number, since it is larger than the sum of its proper divisors (21924934129).

120142431311 is a wasteful number, since it uses less digits than its factorization.

120142431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112754.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 120142431311 its reverse (113134241021), we get a palindrome (233276672332).

The spelling of 120142431311 in words is "one hundred twenty billion, one hundred forty-two million, four hundred thirty-one thousand, three hundred eleven".