313229999999 has 4 divisors (see below), whose sum is σ = 357977142864. Its totient is φ = 268482857136.

The previous prime is 313229999993. The next prime is 313230000103. The reversal of 313229999999 is 999999922313.

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

It is a cyclic number.

It is not a de Polignac number, because 313229999999 - 2²⁸ = 312961564543 is a prime.

It is a super-2 number, since 2×313229999999² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

313229999999 is a modest number, since divided by 999999 gives 313229 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313229999993) 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, 22373571422 + ... + 22373571435.

It is an arithmetic number, because the mean of its divisors is an integer number (89494285716).

Almost surely, 2^313229999999 is an apocalyptic number.

313229999999 is a deficient number, since it is larger than the sum of its proper divisors (44747142865).

313229999999 is an equidigital number, since it uses as much as digits as its factorization.

313229999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44747142864.

The product of its digits is 172186884, while the sum is 74.

The spelling of 313229999999 in words is "three hundred thirteen billion, two hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".