1051133431 has 2 divisors, whose sum is σ = 1051133432. Its totient is φ = 1051133430.

The previous prime is 1051133411. The next prime is 1051133513. The reversal of 1051133431 is 1343311501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051133431 - 2¹⁹ = 1050609143 is a prime.

It is a super-4 number, since 4×1051133431⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051133411) 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 as a sum of consecutive naturals, namely, 525566715 + 525566716.

It is an arithmetic number, because the mean of its divisors is an integer number (525566716).

Almost surely, 2^1051133431 is an apocalyptic number.

1051133431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051133431 is an equidigital number, since it uses as much as digits as its factorization.

1051133431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1051133431 is about 32421.1879948900. The cubic root of 1051133431 is about 1016.7619443927.

Adding to 1051133431 its reverse (1343311501), we get a palindrome (2394444932).

The spelling of 1051133431 in words is "one billion, fifty-one million, one hundred thirty-three thousand, four hundred thirty-one".