31313303212230 has 96 divisors (see below), whose sum is σ = 87770426627520. Its totient is φ = 7699698581760.

The previous prime is 31313303212229. The next prime is 31313303212253. The reversal of 31313303212230 is 3221230331313.

31313303212230 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 330 + 321 + 2 + 2 + 3 + 0 = 666.

It is a super-2 number, since 2×31313303212230² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31313303212194 and 31313303212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13119810 + ... + 15321749.

It is an arithmetic number, because the mean of its divisors is an integer number (914275277370).

Almost surely, 2^{31313303212230} is an apocalyptic number.

31313303212230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31313303212230 is an abundant number, since it is smaller than the sum of its proper divisors (56457123415290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31313303212230 is a wasteful number, since it uses less digits than its factorization.

31313303212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28442526 (or 28442523 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31313303212230 its reverse (3221230331313), we get a palindrome (34534533543543).

The spelling of 31313303212230 in words is "thirty-one trillion, three hundred thirteen billion, three hundred three million, two hundred twelve thousand, two hundred thirty".