1213112010331 has 8 divisors (see below), whose sum is σ = 1336810373360. Its totient is φ = 1093753940832.

The previous prime is 1213112010263. The next prime is 1213112010337. The reversal of 1213112010331 is 1330102113121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213112010331 - 2³⁷ = 1075673056859 is a prime.

It is a super-2 number, since 2×1213112010331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213112010299 and 1213112010308.

It is not an unprimeable number, because it can be changed into a prime (1213112010337) 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, 1085072796 + ... + 1085073913.

It is an arithmetic number, because the mean of its divisors is an integer number (167101296670).

Almost surely, 2^{1213112010331} is an apocalyptic number.

1213112010331 is a deficient number, since it is larger than the sum of its proper divisors (123698363029).

1213112010331 is a wasteful number, since it uses less digits than its factorization.

1213112010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170146765.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1213112010331 its reverse (1330102113121), we get a palindrome (2543214123452).

The spelling of 1213112010331 in words is "one trillion, two hundred thirteen billion, one hundred twelve million, ten thousand, three hundred thirty-one".