31100434439 has 2 divisors, whose sum is σ = 31100434440. Its totient is φ = 31100434438.

The previous prime is 31100434399. The next prime is 31100434447. The reversal of 31100434439 is 93443400113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31100434439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31100436439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550217219 + 15550217220.

It is an arithmetic number, because the mean of its divisors is an integer number (15550217220).

Almost surely, 2^31100434439 is an apocalyptic number.

31100434439 is a deficient number, since it is larger than the sum of its proper divisors (1).

31100434439 is an equidigital number, since it uses as much as digits as its factorization.

31100434439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 31100434439 in words is "thirty-one billion, one hundred million, four hundred thirty-four thousand, four hundred thirty-nine".