31310121299 has 8 divisors (see below), whose sum is σ = 33099477840. Its totient is φ = 29534910336.

The previous prime is 31310121289. The next prime is 31310121343. The reversal of 31310121299 is 99212101313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31310121299 - 2¹² = 31310117203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31310121289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531842 + ... + 3540695.

It is an arithmetic number, because the mean of its divisors is an integer number (4137434730).

Almost surely, 2^31310121299 is an apocalyptic number.

31310121299 is a deficient number, since it is larger than the sum of its proper divisors (1789356541).

31310121299 is a wasteful number, since it uses less digits than its factorization.

31310121299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072789.

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

The spelling of 31310121299 in words is "thirty-one billion, three hundred ten million, one hundred twenty-one thousand, two hundred ninety-nine".