1131342100442 has 16 divisors (see below), whose sum is σ = 1732937025600. Its totient is φ = 553775991360.

The previous prime is 1131342100429. The next prime is 1131342100481. The reversal of 1131342100442 is 2440012431311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19862942 + ... + 19919817.

It is an arithmetic number, because the mean of its divisors is an integer number (108308564100).

Almost surely, 2^{1131342100442} is an apocalyptic number.

1131342100442 is a deficient number, since it is larger than the sum of its proper divisors (601594925158).

1131342100442 is a wasteful number, since it uses less digits than its factorization.

1131342100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39783061.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1131342100442 its reverse (2440012431311), we get a palindrome (3571354531753).

The spelling of 1131342100442 in words is "one trillion, one hundred thirty-one billion, three hundred forty-two million, one hundred thousand, four hundred forty-two".