1025043131 has 16 divisors (see below), whose sum is σ = 1179372480. Its totient is φ = 872709120.

The previous prime is 1025043121. The next prime is 1025043133. The reversal of 1025043131 is 1313405201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025043131 is a prime.

It is a super-2 number, since 2×1025043131² = 2101426840820566322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025043133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195655 + ... + 1196511.

It is an arithmetic number, because the mean of its divisors is an integer number (73710780).

Almost surely, 2^1025043131 is an apocalyptic number.

1025043131 is a deficient number, since it is larger than the sum of its proper divisors (154329349).

1025043131 is an equidigital number, since it uses as much as digits as its factorization.

1025043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1025043131 is about 32016.2947731308. The cubic root of 1025043131 is about 1008.2789796776.

Adding to 1025043131 its reverse (1313405201), we get a palindrome (2338448332).

The spelling of 1025043131 in words is "one billion, twenty-five million, forty-three thousand, one hundred thirty-one".