1312031003223 has 16 divisors (see below), whose sum is σ = 1809922629600. Its totient is φ = 844420846080.

The previous prime is 1312031003201. The next prime is 1312031003243. The reversal of 1312031003223 is 3223001302131.

It is not a de Polignac number, because 1312031003223 - 2²⁴ = 1312014226007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312031003223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312031003243) 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, 228438 + ... + 1635923.

It is an arithmetic number, because the mean of its divisors is an integer number (113120164350).

Almost surely, 2^{1312031003223} is an apocalyptic number.

1312031003223 is a deficient number, since it is larger than the sum of its proper divisors (497891626377).

1312031003223 is a wasteful number, since it uses less digits than its factorization.

1312031003223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872482.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1312031003223 its reverse (3223001302131), we get a palindrome (4535032305354).

The spelling of 1312031003223 in words is "one trillion, three hundred twelve billion, thirty-one million, three thousand, two hundred twenty-three".