1310020221233 has 32 divisors (see below), whose sum is σ = 1397755850400. Its totient is φ = 1225560268800.

The previous prime is 1310020221199. The next prime is 1310020221241. The reversal of 1310020221233 is 3321220200131.

It can be written as a sum of positive squares in 16 ways, for example, as 135900610609 + 1174119610624 = 368647^2 + 1083568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310020221233 - 2¹⁰ = 1310020220209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310020220233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232229093 + ... + 232234733.

It is an arithmetic number, because the mean of its divisors is an integer number (43679870325).

Almost surely, 2^{1310020221233} is an apocalyptic number.

It is an amenable number.

1310020221233 is a deficient number, since it is larger than the sum of its proper divisors (87735629167).

1310020221233 is a wasteful number, since it uses less digits than its factorization.

1310020221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1310020221233 its reverse (3321220200131), we get a palindrome (4631240421364).

The spelling of 1310020221233 in words is "one trillion, three hundred ten billion, twenty million, two hundred twenty-one thousand, two hundred thirty-three".