220311139 has 2 divisors, whose sum is σ = 220311140. Its totient is φ = 220311138.

The previous prime is 220311131. The next prime is 220311167. The reversal of 220311139 is 931113022.

220311139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220311139 - 2³ = 220311131 is a prime.

It is not a weakly prime, because it can be changed into another prime (220311131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155569 + 110155570.

It is an arithmetic number, because the mean of its divisors is an integer number (110155570).

Almost surely, 2^220311139 is an apocalyptic number.

220311139 is a deficient number, since it is larger than the sum of its proper divisors (1).

220311139 is an equidigital number, since it uses as much as digits as its factorization.

220311139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 220311139 is about 14842.8817619760. The cubic root of 220311139 is about 603.9655286015.

The spelling of 220311139 in words is "two hundred twenty million, three hundred eleven thousand, one hundred thirty-nine".