1051544231 has 8 divisors (see below), whose sum is σ = 1139293584. Its totient is φ = 966672000.

The previous prime is 1051544203. The next prime is 1051544237. The reversal of 1051544231 is 1324451501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051544231 - 2¹⁸ = 1051282087 is a prime.

It is a super-2 number, since 2×1051544231² = 2211490539498762722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051544231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051544237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718520 + ... + 719981.

It is an arithmetic number, because the mean of its divisors is an integer number (142411698).

Almost surely, 2^1051544231 is an apocalyptic number.

1051544231 is a deficient number, since it is larger than the sum of its proper divisors (87749353).

1051544231 is a wasteful number, since it uses less digits than its factorization.

1051544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438561.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1051544231 is about 32427.5227391794. The cubic root of 1051544231 is about 1016.8943828296.

Adding to 1051544231 its reverse (1324451501), we get a palindrome (2375995732).

The spelling of 1051544231 in words is "one billion, fifty-one million, five hundred forty-four thousand, two hundred thirty-one".