1131231103042 has 8 divisors (see below), whose sum is σ = 1696860368316. Its totient is φ = 565610980272.

The previous prime is 1131231103007. The next prime is 1131231103043. The reversal of 1131231103042 is 2403011321311.

It can be written as a sum of positive squares in 2 ways, for example, as 1118938724401 + 12292378641 = 1057799^2 + 110871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1131231103043) 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, 1967433 + ... + 2476540.

Almost surely, 2^{1131231103042} is an apocalyptic number.

1131231103042 is a deficient number, since it is larger than the sum of its proper divisors (565629265274).

1131231103042 is a wasteful number, since it uses less digits than its factorization.

1131231103042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571252.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1131231103042 its reverse (2403011321311), we get a palindrome (3534242424353).

The spelling of 1131231103042 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred three thousand, forty-two".