1141863131 has 4 divisors (see below), whose sum is σ = 1147841664. Its totient is φ = 1135884600.

The previous prime is 1141863119. The next prime is 1141863133. The reversal of 1141863131 is 1313681411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141863131 - 2³⁰ = 68121307 is a prime.

It is a super-2 number, since 2×1141863131² = 2607702819874246322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141863094 and 1141863103.

It is not an unprimeable number, because it can be changed into a prime (1141863133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988980 + ... + 2989361.

It is an arithmetic number, because the mean of its divisors is an integer number (286960416).

Almost surely, 2^1141863131 is an apocalyptic number.

1141863131 is a deficient number, since it is larger than the sum of its proper divisors (5978533).

1141863131 is an equidigital number, since it uses as much as digits as its factorization.

1141863131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978532.

The product of its digits is 1728, while the sum is 29.

The square root of 1141863131 is about 33791.4653573946. The cubic root of 1141863131 is about 1045.2127131221.

The spelling of 1141863131 in words is "one billion, one hundred forty-one million, eight hundred sixty-three thousand, one hundred thirty-one".