1320441243031 has 16 divisors (see below), whose sum is σ = 1361518963200. Its totient is φ = 1279648909728.

The previous prime is 1320441242941. The next prime is 1320441243061. The reversal of 1320441243031 is 1303421440231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1320441243031 - 2³⁷ = 1183002289559 is a prime.

It is a super-2 number, since 2×1320441243031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320441243061) 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, 112669390 + ... + 112681108.

It is an arithmetic number, because the mean of its divisors is an integer number (85094935200).

Almost surely, 2^{1320441243031} is an apocalyptic number.

1320441243031 is a deficient number, since it is larger than the sum of its proper divisors (41077720169).

1320441243031 is a wasteful number, since it uses less digits than its factorization.

1320441243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23598.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1320441243031 its reverse (1303421440231), we get a palindrome (2623862683262).

The spelling of 1320441243031 in words is "one trillion, three hundred twenty billion, four hundred forty-one million, two hundred forty-three thousand, thirty-one".