31301122100099 has 2 divisors, whose sum is σ = 31301122100100. Its totient is φ = 31301122100098.

The previous prime is 31301122100077. The next prime is 31301122100147. The reversal of 31301122100099 is 99000122110313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31301122100099 is a prime.

It is not a weakly prime, because it can be changed into another prime (31301122100299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650561050049 + 15650561050050.

It is an arithmetic number, because the mean of its divisors is an integer number (15650561050050).

Almost surely, 2^{31301122100099} is an apocalyptic number.

31301122100099 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301122100099 is an equidigital number, since it uses as much as digits as its factorization.

31301122100099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 31301122100099 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-two million, one hundred thousand, ninety-nine".