31030332212999 has 16 divisors (see below), whose sum is σ = 36567684099072. Its totient is φ = 25781184637728.

The previous prime is 31030332212977. The next prime is 31030332213007. The reversal of 31030332212999 is 99921223303013.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31030332212999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030332212969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503822879 + ... + 503884464.

It is an arithmetic number, because the mean of its divisors is an integer number (2285480256192).

Almost surely, 2^{31030332212999} is an apocalyptic number.

31030332212999 is a deficient number, since it is larger than the sum of its proper divisors (5537351886073).

31030332212999 is a wasteful number, since it uses less digits than its factorization.

31030332212999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007707486.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 31030332212999 in words is "thirty-one trillion, thirty billion, three hundred thirty-two million, two hundred twelve thousand, nine hundred ninety-nine".