1051441231 has 4 divisors (see below), whose sum is σ = 1051920712. Its totient is φ = 1050961752.

The previous prime is 1051441217. The next prime is 1051441241. The reversal of 1051441231 is 1321441501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1321441501 = 17 ⋅77731853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051441231 is a prime.

It is a super-2 number, since 2×1051441231² = 2211057324493590722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051441241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236436 + ... + 240841.

It is an arithmetic number, because the mean of its divisors is an integer number (262980178).

Almost surely, 2^1051441231 is an apocalyptic number.

1051441231 is a deficient number, since it is larger than the sum of its proper divisors (479481).

1051441231 is an equidigital number, since it uses as much as digits as its factorization.

1051441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479480.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1051441231 is about 32425.9345432017. The cubic root of 1051441231 is about 1016.8611797433.

Adding to 1051441231 its reverse (1321441501), we get a palindrome (2372882732).

The spelling of 1051441231 in words is "one billion, fifty-one million, four hundred forty-one thousand, two hundred thirty-one".