1141203031 has 4 divisors (see below), whose sum is σ = 1178016064. Its totient is φ = 1104390000.

The previous prime is 1141202999. The next prime is 1141203053. The reversal of 1141203031 is 1303021411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303021411 = 719 ⋅1812269.

It is a cyclic number.

It is not a de Polignac number, because 1141203031 - 2⁵ = 1141202999 is a prime.

It is a super-2 number, since 2×1141203031² = 2604688715927173922, 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 = 1141202996 and 1141203014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141203071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18406470 + ... + 18406531.

It is an arithmetic number, because the mean of its divisors is an integer number (294504016).

Almost surely, 2^1141203031 is an apocalyptic number.

1141203031 is a deficient number, since it is larger than the sum of its proper divisors (36813033).

1141203031 is an equidigital number, since it uses as much as digits as its factorization.

1141203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36813032.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1141203031 is about 33781.6966862234. The cubic root of 1141203031 is about 1045.0112651884.

Adding to 1141203031 its reverse (1303021411), we get a palindrome (2444224442).

The spelling of 1141203031 in words is "one billion, one hundred forty-one million, two hundred three thousand, thirty-one".