31042211229013 has 2 divisors, whose sum is σ = 31042211229014. Its totient is φ = 31042211229012.

The previous prime is 31042211228983. The next prime is 31042211229047. The reversal of 31042211229013 is 31092211224013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25908171260049 + 5134039968964 = 5090007^2 + 2265842^2 .

It is a cyclic number.

It is not a de Polignac number, because 31042211229013 - 2¹⁷ = 31042211097941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31042211229413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15521105614506 + 15521105614507.

It is an arithmetic number, because the mean of its divisors is an integer number (15521105614507).

Almost surely, 2^{31042211229013} is an apocalyptic number.

It is an amenable number.

31042211229013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31042211229013 is an equidigital number, since it uses as much as digits as its factorization.

31042211229013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 31042211229013 in words is "thirty-one trillion, forty-two billion, two hundred eleven million, two hundred twenty-nine thousand, thirteen".