1143343676531 has 12 divisors (see below), whose sum is σ = 1349862961608. Its totient is φ = 965381864832.

The previous prime is 1143343676509. The next prime is 1143343676537. The reversal of 1143343676531 is 1356763433411.

It is a de Polignac number, because none of the positive numbers 2^k-1143343676531 is a prime.

It is a super-2 number, since 2×1143343676531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143343676537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174127646 + ... + 174134211.

It is an arithmetic number, because the mean of its divisors is an integer number (112488580134).

Almost surely, 2^{1143343676531} is an apocalyptic number.

1143343676531 is a deficient number, since it is larger than the sum of its proper divisors (206519285077).

1143343676531 is an equidigital number, since it uses as much as digits as its factorization.

1143343676531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348261938 (or 348261931 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 47.

The spelling of 1143343676531 in words is "one trillion, one hundred forty-three billion, three hundred forty-three million, six hundred seventy-six thousand, five hundred thirty-one".