1142310221343 has 48 divisors (see below), whose sum is σ = 1742603422560. Its totient is φ = 719070048000.

The previous prime is 1142310221329. The next prime is 1142310221407. The reversal of 1142310221343 is 3431220132411.

1142310221343 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 310 + 2 + 2 + 1 + 343 = 666.

It is not a de Polignac number, because 1142310221343 - 2²² = 1142306027039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142310221443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121246773 + ... + 121256193.

It is an arithmetic number, because the mean of its divisors is an integer number (36304237970).

Almost surely, 2^{1142310221343} is an apocalyptic number.

1142310221343 is a deficient number, since it is larger than the sum of its proper divisors (600293201217).

1142310221343 is a wasteful number, since it uses less digits than its factorization.

1142310221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720 (or 11717 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1142310221343 its reverse (3431220132411), we get a palindrome (4573530353754).

The spelling of 1142310221343 in words is "one trillion, one hundred forty-two billion, three hundred ten million, two hundred twenty-one thousand, three hundred forty-three".