4020010423931 has 2 divisors, whose sum is σ = 4020010423932. Its totient is φ = 4020010423930.

The previous prime is 4020010423903. The next prime is 4020010423937. The reversal of 4020010423931 is 1393240100204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4020010423931 - 2²⁶ = 4019943315067 is a prime.

It is a super-2 number, since 2×4020010423931² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4020010423894 and 4020010423903.

It is not a weakly prime, because it can be changed into another prime (4020010423937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010005211965 + 2010005211966.

It is an arithmetic number, because the mean of its divisors is an integer number (2010005211966).

Almost surely, 2^{4020010423931} is an apocalyptic number.

4020010423931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020010423931 is an equidigital number, since it uses as much as digits as its factorization.

4020010423931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 4020010423931 in words is "four trillion, twenty billion, ten million, four hundred twenty-three thousand, nine hundred thirty-one".