1213300000031 has 8 divisors (see below), whose sum is σ = 1400923712160. Its totient is φ = 1029250073088.

The previous prime is 1213300000019. The next prime is 1213300000057. The reversal of 1213300000031 is 1300000033121.

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 1213300000031 - 2¹⁰ = 1213299999007 is a prime.

It is a super-2 number, since 2×1213300000031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213299999961 and 1213300000015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213300000531) 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, 893445566 + ... + 893446923.

It is an arithmetic number, because the mean of its divisors is an integer number (175115464020).

Almost surely, 2^{1213300000031} is an apocalyptic number.

1213300000031 is a deficient number, since it is larger than the sum of its proper divisors (187623712129).

1213300000031 is an equidigital number, since it uses as much as digits as its factorization.

1213300000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786892593.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1213300000031 its reverse (1300000033121), we get a palindrome (2513300033152).

The spelling of 1213300000031 in words is "one trillion, two hundred thirteen billion, three hundred million, thirty-one", and thus it is an aban number.