31302323425 has 6 divisors (see below), whose sum is σ = 38814881078. Its totient is φ = 25041858720.

The previous prime is 31302323401. The next prime is 31302323449. The reversal of 31302323425 is 52432320313.

It is an interprime number because it is at equal distance from previous prime (31302323401) and next prime (31302323449).

It can be written as a sum of positive squares in 3 ways, for example, as 6657091281 + 24645232144 = 81591^2 + 156988^2 .

It is not a de Polignac number, because 31302323425 - 2¹¹ = 31302321377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31302323393 and 31302323402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626046444 + ... + 626046493.

Almost surely, 2^31302323425 is an apocalyptic number.

It is an amenable number.

31302323425 is a deficient number, since it is larger than the sum of its proper divisors (7512557653).

31302323425 is a wasteful number, since it uses less digits than its factorization.

31302323425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252092947 (or 1252092942 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 31302323425 its reverse (52432320313), we get a palindrome (83734643738).

The spelling of 31302323425 in words is "thirty-one billion, three hundred two million, three hundred twenty-three thousand, four hundred twenty-five".