31250140130 has 32 divisors (see below), whose sum is σ = 62053413120. Its totient is φ = 11236001920.

The previous prime is 31250140127. The next prime is 31250140177. The reversal of 31250140130 is 3104105213.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586234 + ... + 1605813.

It is an arithmetic number, because the mean of its divisors is an integer number (1939169160).

Almost surely, 2^31250140130 is an apocalyptic number.

31250140130 is a deficient number, since it is larger than the sum of its proper divisors (30803272990).

31250140130 is a wasteful number, since it uses less digits than its factorization.

31250140130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192154.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 31250140130 its reverse (3104105213), we get a palindrome (34354245343).

The spelling of 31250140130 in words is "thirty-one billion, two hundred fifty million, one hundred forty thousand, one hundred thirty".