1131033333123 has 12 divisors (see below), whose sum is σ = 1694222770968. Its totient is φ = 754022221920.

The previous prime is 1131033333113. The next prime is 1131033333149. The reversal of 1131033333123 is 3213333301311.

1131033333123 is a `hidden beast` number, since 1 + 1 + 3 + 10 + 3 + 333 + 312 + 3 = 666.

It is not a de Polignac number, because 1131033333123 - 2¹⁷ = 1131033202051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1131033333103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2327228838 + ... + 2327229323.

It is an arithmetic number, because the mean of its divisors is an integer number (141185230914).

Almost surely, 2^{1131033333123} is an apocalyptic number.

1131033333123 is a deficient number, since it is larger than the sum of its proper divisors (563189437845).

1131033333123 is an frugal number, since it uses more digits than its factorization.

1131033333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654458176 (or 4654458164 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 1131033333123 its reverse (3213333301311), we get a palindrome (4344366634434).

The spelling of 1131033333123 in words is "one trillion, one hundred thirty-one billion, thirty-three million, three hundred thirty-three thousand, one hundred twenty-three".