1131213302023 has 4 divisors (see below), whose sum is σ = 1292815202320. Its totient is φ = 969611401728.

The previous prime is 1131213302017. The next prime is 1131213302027. The reversal of 1131213302023 is 3202033121311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131213302023 - 2⁹ = 1131213301511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131213301985 and 1131213302003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131213302027) 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, 80800950138 + ... + 80800950151.

It is an arithmetic number, because the mean of its divisors is an integer number (323203800580).

Almost surely, 2^{1131213302023} is an apocalyptic number.

1131213302023 is a deficient number, since it is larger than the sum of its proper divisors (161601900297).

1131213302023 is an equidigital number, since it uses as much as digits as its factorization.

1131213302023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161601900296.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1131213302023 its reverse (3202033121311), we get a palindrome (4333246423334).

The spelling of 1131213302023 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, three hundred two thousand, twenty-three".