1031223332113 has 4 divisors (see below), whose sum is σ = 1110548203828. Its totient is φ = 951898460400.

The previous prime is 1031223332107. The next prime is 1031223332131. The reversal of 1031223332113 is 3112333221301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 599806878784 + 431416453329 = 774472^2 + 656823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031223332113 - 2³³ = 1022633397521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031223392113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39662435838 + ... + 39662435863.

It is an arithmetic number, because the mean of its divisors is an integer number (277637050957).

Almost surely, 2^{1031223332113} is an apocalyptic number.

1031223332113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1031223332113 is a deficient number, since it is larger than the sum of its proper divisors (79324871715).

1031223332113 is an equidigital number, since it uses as much as digits as its factorization.

1031223332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79324871714.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1031223332113 its reverse (3112333221301), we get a palindrome (4143556553414).

The spelling of 1031223332113 in words is "one trillion, thirty-one billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred thirteen".