31024606121 has 2 divisors, whose sum is σ = 31024606122. Its totient is φ = 31024606120.

The previous prime is 31024606103. The next prime is 31024606159. The reversal of 31024606121 is 12160642013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26459576896 + 4565029225 = 162664^2 + 67565^2 .

It is a cyclic number.

It is not a de Polignac number, because 31024606121 - 2¹⁰ = 31024605097 is a prime.

It is not a weakly prime, because it can be changed into another prime (31024605121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15512303060 + 15512303061.

It is an arithmetic number, because the mean of its divisors is an integer number (15512303061).

Almost surely, 2^31024606121 is an apocalyptic number.

It is an amenable number.

31024606121 is a deficient number, since it is larger than the sum of its proper divisors (1).

31024606121 is an equidigital number, since it uses as much as digits as its factorization.

31024606121 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 26.

The spelling of 31024606121 in words is "thirty-one billion, twenty-four million, six hundred six thousand, one hundred twenty-one".