31140425315 has 8 divisors (see below), whose sum is σ = 37376799408. Its totient is φ = 24906814240.

The previous prime is 31140425311. The next prime is 31140425341. The reversal of 31140425315 is 51352404113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31140425315 - 2² = 31140425311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31140425311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665876 + ... + 711105.

It is an arithmetic number, because the mean of its divisors is an integer number (4672099926).

Almost surely, 2^31140425315 is an apocalyptic number.

31140425315 is a deficient number, since it is larger than the sum of its proper divisors (6236374093).

31140425315 is a wasteful number, since it uses less digits than its factorization.

31140425315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381509.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 31140425315 its reverse (51352404113), we get a palindrome (82492829428).

The spelling of 31140425315 in words is "thirty-one billion, one hundred forty million, four hundred twenty-five thousand, three hundred fifteen".