31041304025 has 6 divisors (see below), whose sum is σ = 38491217022. Its totient is φ = 24833043200.

The previous prime is 31041304001. The next prime is 31041304061. The reversal of 31041304025 is 52040314013.

It can be written as a sum of positive squares in 3 ways, for example, as 4122667264 + 26918636761 = 64208^2 + 164069^2 .

It is not a de Polignac number, because 31041304025 - 2²² = 31037109721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620826056 + ... + 620826105.

It is an arithmetic number, because the mean of its divisors is an integer number (6415202837).

Almost surely, 2^31041304025 is an apocalyptic number.

It is an amenable number.

31041304025 is a deficient number, since it is larger than the sum of its proper divisors (7449912997).

31041304025 is a wasteful number, since it uses less digits than its factorization.

31041304025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241652171 (or 1241652166 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 31041304025 its reverse (52040314013), we get a palindrome (83081618038).

The spelling of 31041304025 in words is "thirty-one billion, forty-one million, three hundred four thousand, twenty-five".