10312109999 has 4 divisors (see below), whose sum is σ = 10414210200. Its totient is φ = 10210009800.

The previous prime is 10312109993. The next prime is 10312110023. The reversal of 10312109999 is 99990121301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312109999 is a prime.

It is a super-2 number, since 2×10312109999² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312109993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51049949 + ... + 51050150.

It is an arithmetic number, because the mean of its divisors is an integer number (2603552550).

Almost surely, 2^10312109999 is an apocalyptic number.

10312109999 is a deficient number, since it is larger than the sum of its proper divisors (102100201).

10312109999 is a wasteful number, since it uses less digits than its factorization.

10312109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102100200.

The product of its (nonzero) digits is 39366, while the sum is 44.

The spelling of 10312109999 in words is "ten billion, three hundred twelve million, one hundred nine thousand, nine hundred ninety-nine".