31040523234425 has 24 divisors (see below), whose sum is σ = 38799242499072. Its totient is φ = 24633127512000.

The previous prime is 31040523234407. The next prime is 31040523234451. The reversal of 31040523234425 is 52443232504013.

It is not a de Polignac number, because 31040523234425 - 2⁴² = 26642476723321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20151890 + ... + 21637460.

It is an arithmetic number, because the mean of its divisors is an integer number (1616635104128).

Almost surely, 2^{31040523234425} is an apocalyptic number.

It is an amenable number.

31040523234425 is a deficient number, since it is larger than the sum of its proper divisors (7758719264647).

31040523234425 is a wasteful number, since it uses less digits than its factorization.

31040523234425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492289 (or 1492284 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 31040523234425 its reverse (52443232504013), we get a palindrome (83483755738438).

The spelling of 31040523234425 in words is "thirty-one trillion, forty billion, five hundred twenty-three million, two hundred thirty-four thousand, four hundred twenty-five".