31323632313 has 16 divisors (see below), whose sum is σ = 43968041280. Its totient is φ = 19781074944.

The previous prime is 31323632303. The next prime is 31323632317.

It is a happy number.

31323632313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31323632313 - 2¹³ = 31323624121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31323632317) 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 15 ways as a sum of consecutive naturals, for example, 568345 + ... + 621017.

It is an arithmetic number, because the mean of its divisors is an integer number (2748002580).

Almost surely, 2^31323632313 is an apocalyptic number.

It is an amenable number.

31323632313 is a deficient number, since it is larger than the sum of its proper divisors (12644408967).

31323632313 is a wasteful number, since it uses less digits than its factorization.

31323632313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63128.

The product of its digits is 17496, while the sum is 30.

The spelling of 31323632313 in words is "thirty-one billion, three hundred twenty-three million, six hundred thirty-two thousand, three hundred thirteen".