31215253350425 has 12 divisors (see below), whose sum is σ = 40744120163280. Its totient is φ = 23657876223120.

The previous prime is 31215253350389. The next prime is 31215253350433. The reversal of 31215253350425 is 52405335251213.

It is not a de Polignac number, because 31215253350425 - 2¹⁸ = 31215253088281 is a prime.

It is a super-3 number, since 3×31215253350425³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32858160947 + ... + 32858161896.

It is an arithmetic number, because the mean of its divisors is an integer number (3395343346940).

Almost surely, 2^{31215253350425} is an apocalyptic number.

It is an amenable number.

31215253350425 is a deficient number, since it is larger than the sum of its proper divisors (9528866812855).

31215253350425 is a wasteful number, since it uses less digits than its factorization.

31215253350425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65716322872 (or 65716322867 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 31215253350425 in words is "thirty-one trillion, two hundred fifteen billion, two hundred fifty-three million, three hundred fifty thousand, four hundred twenty-five".