10020003999931 has 2 divisors, whose sum is σ = 10020003999932. Its totient is φ = 10020003999930.

The previous prime is 10020003999923. The next prime is 10020003999953. The reversal of 10020003999931 is 13999930002001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020003999931 - 2³ = 10020003999923 is a prime.

It is a super-2 number, since 2×10020003999931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10020003199931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010001999965 + 5010001999966.

It is an arithmetic number, because the mean of its divisors is an integer number (5010001999966).

Almost surely, 2^{10020003999931} is an apocalyptic number.

10020003999931 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020003999931 is an equidigital number, since it uses as much as digits as its factorization.

10020003999931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118098, while the sum is 46.

The spelling of 10020003999931 in words is "ten trillion, twenty billion, three million, nine hundred ninety-nine thousand, nine hundred thirty-one".