1313313322031 has 8 divisors (see below), whose sum is σ = 1326113661600. Its totient is φ = 1300513938912.

The previous prime is 1313313321977. The next prime is 1313313322039. The reversal of 1313313322031 is 1302233133131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313313322031 is a prime.

It is a super-2 number, since 2×1313313322031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313313322039) 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, 2695061 + ... + 3144833.

It is an arithmetic number, because the mean of its divisors is an integer number (165764207700).

Almost surely, 2^{1313313322031} is an apocalyptic number.

1313313322031 is a deficient number, since it is larger than the sum of its proper divisors (12800339569).

1313313322031 is a wasteful number, since it uses less digits than its factorization.

1313313322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478225.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1313313322031 its reverse (1302233133131), we get a palindrome (2615546455162).

The spelling of 1313313322031 in words is "one trillion, three hundred thirteen billion, three hundred thirteen million, three hundred twenty-two thousand, thirty-one".