31400220112379 has 2 divisors, whose sum is σ = 31400220112380. Its totient is φ = 31400220112378.

The previous prime is 31400220112337. The next prime is 31400220112451. The reversal of 31400220112379 is 97321102200413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31400220112379 - 2⁸ = 31400220112123 is a prime.

It is not a weakly prime, because it can be changed into another prime (31400220612379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700110056189 + 15700110056190.

It is an arithmetic number, because the mean of its divisors is an integer number (15700110056190).

Almost surely, 2^{31400220112379} is an apocalyptic number.

31400220112379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400220112379 is an equidigital number, since it uses as much as digits as its factorization.

31400220112379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 31400220112379 in words is "thirty-one trillion, four hundred billion, two hundred twenty million, one hundred twelve thousand, three hundred seventy-nine".