2239539031 has 2 divisors, whose sum is σ = 2239539032. Its totient is φ = 2239539030.

The previous prime is 2239538999. The next prime is 2239539037. The reversal of 2239539031 is 1309359322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2239539031 - 2⁵ = 2239538999 is a prime.

It is a super-2 number, since 2×2239539031² = 10031070142744837922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239539037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119769515 + 1119769516.

It is an arithmetic number, because the mean of its divisors is an integer number (1119769516).

Almost surely, 2^2239539031 is an apocalyptic number.

2239539031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239539031 is an equidigital number, since it uses as much as digits as its factorization.

2239539031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 2239539031 is about 47323.7681403330. The cubic root of 2239539031 is about 1308.3367643366.

The spelling of 2239539031 in words is "two billion, two hundred thirty-nine million, five hundred thirty-nine thousand, thirty-one".