31020000100318 has 8 divisors (see below), whose sum is σ = 49267058982912. Its totient is φ = 14597647106016.

The previous prime is 31020000100289. The next prime is 31020000100319. The reversal of 31020000100318 is 81300100002013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31020000100318² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31020000100295 and 31020000100304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020000100319) 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, 456176472030 + ... + 456176472097.

It is an arithmetic number, because the mean of its divisors is an integer number (6158382372864).

Almost surely, 2^{31020000100318} is an apocalyptic number.

31020000100318 is a deficient number, since it is larger than the sum of its proper divisors (18247058882594).

31020000100318 is a wasteful number, since it uses less digits than its factorization.

31020000100318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912352944146.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 31020000100318 in words is "thirty-one trillion, twenty billion, one hundred thousand, three hundred eighteen".