1143132131 has 36 divisors (see below), whose sum is σ = 1314486576. Its totient is φ = 991362240.

The previous prime is 1143132103. The next prime is 1143132149. The reversal of 1143132131 is 1312313411.

It is not a de Polignac number, because 1143132131 - 2¹⁴ = 1143115747 is a prime.

It is a super-2 number, since 2×1143132131² = 2613502137849202322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143132101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18739841 + ... + 18739901.

It is an arithmetic number, because the mean of its divisors is an integer number (36513516).

Almost surely, 2^1143132131 is an apocalyptic number.

1143132131 is a deficient number, since it is larger than the sum of its proper divisors (171354445).

1143132131 is an equidigital number, since it uses as much as digits as its factorization.

1143132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 140 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1143132131 is about 33810.2370739988. The cubic root of 1143132131 is about 1045.5997658981.

Adding to 1143132131 its reverse (1312313411), we get a palindrome (2455445542).

The spelling of 1143132131 in words is "one billion, one hundred forty-three million, one hundred thirty-two thousand, one hundred thirty-one".