1313023113031 has 32 divisors (see below), whose sum is σ = 1547984148480. Its totient is φ = 1090182240000.

The previous prime is 1313023113011. The next prime is 1313023113037. The reversal of 1313023113031 is 1303113203131.

It is not a de Polignac number, because 1313023113031 - 2¹⁵ = 1313023080263 is a prime.

It is a super-2 number, since 2×1313023113031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313023112993 and 1313023113011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313023113037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277651075 + ... + 277655803.

It is an arithmetic number, because the mean of its divisors is an integer number (48374504640).

Almost surely, 2^{1313023113031} is an apocalyptic number.

1313023113031 is a deficient number, since it is larger than the sum of its proper divisors (234961035449).

1313023113031 is a wasteful number, since it uses less digits than its factorization.

1313023113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1313023113031 its reverse (1303113203131), we get a palindrome (2616136316162).

The spelling of 1313023113031 in words is "one trillion, three hundred thirteen billion, twenty-three million, one hundred thirteen thousand, thirty-one".