31250040940139 has 8 divisors (see below), whose sum is σ = 35715132607968. Its totient is φ = 26785149298560.

The previous prime is 31250040940109. The next prime is 31250040940187. The reversal of 31250040940139 is 93104904005213.

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

It is a cyclic number.

It is not a de Polignac number, because 31250040940139 - 2⁸ = 31250040939883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31250040940096 and 31250040940105.

It is not an unprimeable number, because it can be changed into a prime (31250040940109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49671632 + ... + 50296829.

It is an arithmetic number, because the mean of its divisors is an integer number (4464391575996).

Almost surely, 2^{31250040940139} is an apocalyptic number.

31250040940139 is a deficient number, since it is larger than the sum of its proper divisors (4465091667829).

31250040940139 is an equidigital number, since it uses as much as digits as its factorization.

31250040940139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100013125.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 31250040940139 in words is "thirty-one trillion, two hundred fifty billion, forty million, nine hundred forty thousand, one hundred thirty-nine".