31140225245 has 8 divisors (see below), whose sum is σ = 38573698560. Its totient is φ = 24108561360.

The previous prime is 31140225223. The next prime is 31140225253. The reversal of 31140225245 is 54252204113.

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

It is not a de Polignac number, because 31140225245 - 2¹⁶ = 31140159709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100452185 + ... + 100452494.

It is an arithmetic number, because the mean of its divisors is an integer number (4821712320).

Almost surely, 2^31140225245 is an apocalyptic number.

It is an amenable number.

31140225245 is a deficient number, since it is larger than the sum of its proper divisors (7433473315).

31140225245 is a wasteful number, since it uses less digits than its factorization.

31140225245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200904715.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 31140225245 its reverse (54252204113), we get a palindrome (85392429358).

The spelling of 31140225245 in words is "thirty-one billion, one hundred forty million, two hundred twenty-five thousand, two hundred forty-five".