1111203131312 has 10 divisors (see below), whose sum is σ = 2152956066948. Its totient is φ = 555601565648.

The previous prime is 1111203131303. The next prime is 1111203131317. The reversal of 1111203131312 is 2131313021111.

It is not an unprimeable number, because it can be changed into a prime (1111203131317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34725097838 + ... + 34725097869.

Almost surely, 2^{1111203131312} is an apocalyptic number.

It is an amenable number.

1111203131312 is a deficient number, since it is larger than the sum of its proper divisors (1041752935636).

1111203131312 is an equidigital number, since it uses as much as digits as its factorization.

1111203131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69450195715 (or 69450195709 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1111203131312 its reverse (2131313021111), we get a palindrome (3242516152423).

The spelling of 1111203131312 in words is "one trillion, one hundred eleven billion, two hundred three million, one hundred thirty-one thousand, three hundred twelve".