1213051583031 has 16 divisors (see below), whose sum is σ = 1636052592384. Its totient is φ = 799395980544.

The previous prime is 1213051582987. The next prime is 1213051583069. The reversal of 1213051583031 is 1303851503121.

It is a de Polignac number, because none of the positive numbers 2^k-1213051583031 is a prime.

It is a super-2 number, since 2×1213051583031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213051582983 and 1213051583001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213051583131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2279635 + ... + 2760948.

It is an arithmetic number, because the mean of its divisors is an integer number (102253287024).

Almost surely, 2^{1213051583031} is an apocalyptic number.

1213051583031 is a deficient number, since it is larger than the sum of its proper divisors (423001009353).

1213051583031 is an equidigital number, since it uses as much as digits as its factorization.

1213051583031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041510.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 1213051583031 in words is "one trillion, two hundred thirteen billion, fifty-one million, five hundred eighty-three thousand, thirty-one".