2031420379 has 2 divisors, whose sum is σ = 2031420380. Its totient is φ = 2031420378.

The previous prime is 2031420341. The next prime is 2031420383. The reversal of 2031420379 is 9730241302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031420379 - 2⁹ = 2031419867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031420379.

It is not a weakly prime, because it can be changed into another prime (2031420779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015710189 + 1015710190.

It is an arithmetic number, because the mean of its divisors is an integer number (1015710190).

Almost surely, 2^2031420379 is an apocalyptic number.

2031420379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031420379 is an equidigital number, since it uses as much as digits as its factorization.

2031420379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2031420379 is about 45071.2810889595. The cubic root of 2031420379 is about 1266.4846632388.

The spelling of 2031420379 in words is "two billion, thirty-one million, four hundred twenty thousand, three hundred seventy-nine".