1313012213031 has 32 divisors (see below), whose sum is σ = 1882224691200. Its totient is φ = 811708702560.

The previous prime is 1313012213011. The next prime is 1313012213047. The reversal of 1313012213031 is 1303122103131.

It is a happy number.

It is not a de Polignac number, because 1313012213031 - 2²² = 1313008018727 is a prime.

It is a super-2 number, since 2×1313012213031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313012212989 and 1313012213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313012213011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604521 + ... + 1729586.

It is an arithmetic number, because the mean of its divisors is an integer number (58819521600).

Almost surely, 2^{1313012213031} is an apocalyptic number.

1313012213031 is a deficient number, since it is larger than the sum of its proper divisors (569212478169).

1313012213031 is a wasteful number, since it uses less digits than its factorization.

1313012213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334339.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313012213031 its reverse (1303122103131), we get a palindrome (2616134316162).

The spelling of 1313012213031 in words is "one trillion, three hundred thirteen billion, twelve million, two hundred thirteen thousand, thirty-one".