31425140245 has 8 divisors (see below), whose sum is σ = 38587149216. Its totient is φ = 24555458256.

The previous prime is 31425140233. The next prime is 31425140249. The reversal of 31425140245 is 54204152413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31425140245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425140249) 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, 73081507 + ... + 73081936.

It is an arithmetic number, because the mean of its divisors is an integer number (4823393652).

Almost surely, 2^31425140245 is an apocalyptic number.

It is an amenable number.

31425140245 is a deficient number, since it is larger than the sum of its proper divisors (7162008971).

31425140245 is a wasteful number, since it uses less digits than its factorization.

31425140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146163491.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 31425140245 its reverse (54204152413), we get a palindrome (85629292658).

The spelling of 31425140245 in words is "thirty-one billion, four hundred twenty-five million, one hundred forty thousand, two hundred forty-five".