31430040022103 has 2 divisors, whose sum is σ = 31430040022104. Its totient is φ = 31430040022102.

The previous prime is 31430040022081. The next prime is 31430040022151. The reversal of 31430040022103 is 30122004003413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31430040022103 - 2¹⁸ = 31430039759959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31430040022153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715020011051 + 15715020011052.

It is an arithmetic number, because the mean of its divisors is an integer number (15715020011052).

Almost surely, 2^{31430040022103} is an apocalyptic number.

31430040022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430040022103 is an equidigital number, since it uses as much as digits as its factorization.

31430040022103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31430040022103 its reverse (30122004003413), we get a palindrome (61552044025516).

The spelling of 31430040022103 in words is "thirty-one trillion, four hundred thirty billion, forty million, twenty-two thousand, one hundred three".