31313113201310 has 8 divisors (see below), whose sum is σ = 56363603762376. Its totient is φ = 12525245280520.

The previous prime is 31313113201303. The next prime is 31313113201351. The reversal of 31313113201310 is 1310231131313.

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

It is a super-2 number, since 2×31313113201310² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565655660056 + ... + 1565655660075.

It is an arithmetic number, because the mean of its divisors is an integer number (7045450470297).

Almost surely, 2^{31313113201310} is an apocalyptic number.

31313113201310 is a deficient number, since it is larger than the sum of its proper divisors (25050490561066).

31313113201310 is a wasteful number, since it uses less digits than its factorization.

31313113201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131311320138.

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

Adding to 31313113201310 its reverse (1310231131313), we get a palindrome (32623344332623).

The spelling of 31313113201310 in words is "thirty-one trillion, three hundred thirteen billion, one hundred thirteen million, two hundred one thousand, three hundred ten".