31104234439 has 4 divisors (see below), whose sum is σ = 31542322320. Its totient is φ = 30666146560.

The previous prime is 31104234407. The next prime is 31104234583. The reversal of 31104234439 is 93443240113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93443240113 = 24749 ⋅3775637.

It is a cyclic number.

It is not a de Polignac number, because 31104234439 - 2⁵ = 31104234407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104294439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219043834 + ... + 219043975.

It is an arithmetic number, because the mean of its divisors is an integer number (7885580580).

Almost surely, 2^31104234439 is an apocalyptic number.

31104234439 is a deficient number, since it is larger than the sum of its proper divisors (438087881).

31104234439 is an equidigital number, since it uses as much as digits as its factorization.

31104234439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438087880.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 31104234439 in words is "thirty-one billion, one hundred four million, two hundred thirty-four thousand, four hundred thirty-nine".