1031541043 has 4 divisors (see below), whose sum is σ = 1110890368. Its totient is φ = 952191720.

The previous prime is 1031541023. The next prime is 1031541143. The reversal of 1031541043 is 3401451301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3401451301 = 23 ⋅147889187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031541043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031541023) 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, 39674643 + ... + 39674668.

It is an arithmetic number, because the mean of its divisors is an integer number (277722592).

Almost surely, 2^1031541043 is an apocalyptic number.

1031541043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1031541043 is a deficient number, since it is larger than the sum of its proper divisors (79349325).

1031541043 is an equidigital number, since it uses as much as digits as its factorization.

1031541043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79349324.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1031541043 is about 32117.6126603457. The cubic root of 1031541043 is about 1010.4050406294.

Adding to 1031541043 its reverse (3401451301), we get a palindrome (4432992344).

The spelling of 1031541043 in words is "one billion, thirty-one million, five hundred forty-one thousand, forty-three".