31013200319 has 8 divisors (see below), whose sum is σ = 33261427440. Its totient is φ = 28826568576.

The previous prime is 31013200313. The next prime is 31013200333. The reversal of 31013200319 is 91300231013.

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 31013200319 - 2⁸ = 31013200063 is a prime.

It is a super-2 number, since 2×31013200319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31013200294 and 31013200303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013200313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15397802 + ... + 15399815.

It is an arithmetic number, because the mean of its divisors is an integer number (4157678430).

Almost surely, 2^31013200319 is an apocalyptic number.

31013200319 is a deficient number, since it is larger than the sum of its proper divisors (2248227121).

31013200319 is a wasteful number, since it uses less digits than its factorization.

31013200319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30797689.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 31013200319 in words is "thirty-one billion, thirteen million, two hundred thousand, three hundred nineteen".