231120414139 has 2 divisors, whose sum is σ = 231120414140. Its totient is φ = 231120414138.

The previous prime is 231120414121. The next prime is 231120414163. The reversal of 231120414139 is 931414021132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231120414139 - 2¹¹ = 231120412091 is a prime.

It is a super-2 number, since 2×231120414139² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231120414139.

It is not a weakly prime, because it can be changed into another prime (231120214139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115560207069 + 115560207070.

It is an arithmetic number, because the mean of its divisors is an integer number (115560207070).

Almost surely, 2^231120414139 is an apocalyptic number.

231120414139 is a deficient number, since it is larger than the sum of its proper divisors (1).

231120414139 is an equidigital number, since it uses as much as digits as its factorization.

231120414139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 231120414139 in words is "two hundred thirty-one billion, one hundred twenty million, four hundred fourteen thousand, one hundred thirty-nine".