31014121 has 2 divisors, whose sum is σ = 31014122. Its totient is φ = 31014120.

The previous prime is 31014083. The next prime is 31014127. The reversal of 31014121 is 12141013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26666896 + 4347225 = 5164^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 31014121 - 2⁷ = 31013993 is a prime.

It is not a weakly prime, because it can be changed into another prime (31014127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507060 + 15507061.

It is an arithmetic number, because the mean of its divisors is an integer number (15507061).

Almost surely, 2^31014121 is an apocalyptic number.

It is an amenable number.

31014121 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014121 is an equidigital number, since it uses as much as digits as its factorization.

31014121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 31014121 is about 5569.0323216875. The cubic root of 31014121 is about 314.1857563170.

Adding to 31014121 its reverse (12141013), we get a palindrome (43155134).

The spelling of 31014121 in words is "thirty-one million, fourteen thousand, one hundred twenty-one".