1131310223344 has 40 divisors (see below), whose sum is σ = 2505290508288. Its totient is φ = 484799540160.

The previous prime is 1131310223317. The next prime is 1131310223377. The reversal of 1131310223344 is 4433220131311.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 658629 + ... + 1642075.

Almost surely, 2^{1131310223344} is an apocalyptic number.

1131310223344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1131310223344 is an abundant number, since it is smaller than the sum of its proper divisors (1373980284944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131310223344 is a wasteful number, since it uses less digits than its factorization.

1131310223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993733 (or 993727 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1131310223344 its reverse (4433220131311), we get a palindrome (5564530354655).

The spelling of 1131310223344 in words is "one trillion, one hundred thirty-one billion, three hundred ten million, two hundred twenty-three thousand, three hundred forty-four".