100140020831 has 2 divisors, whose sum is σ = 100140020832. Its totient is φ = 100140020830.

The previous prime is 100140020821. The next prime is 100140020839. The reversal of 100140020831 is 138020041001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100140020831 - 2⁶ = 100140020767 is a prime.

It is a super-2 number, since 2×100140020831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100140020839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50070010415 + 50070010416.

It is an arithmetic number, because the mean of its divisors is an integer number (50070010416).

Almost surely, 2^100140020831 is an apocalyptic number.

100140020831 is a deficient number, since it is larger than the sum of its proper divisors (1).

100140020831 is an equidigital number, since it uses as much as digits as its factorization.

100140020831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 100140020831 its reverse (138020041001), we get a palindrome (238160061832).

The spelling of 100140020831 in words is "one hundred billion, one hundred forty million, twenty thousand, eight hundred thirty-one".