1045343531 has 2 divisors, whose sum is σ = 1045343532. Its totient is φ = 1045343530.

The previous prime is 1045343473. The next prime is 1045343543. The reversal of 1045343531 is 1353435401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1045343531 - 2²² = 1041149227 is a prime.

It is a super-2 number, since 2×1045343531² = 2185486195607095922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045343494 and 1045343503.

It is not a weakly prime, because it can be changed into another prime (1045343231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522671765 + 522671766.

It is an arithmetic number, because the mean of its divisors is an integer number (522671766).

Almost surely, 2^1045343531 is an apocalyptic number.

1045343531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045343531 is an equidigital number, since it uses as much as digits as its factorization.

1045343531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1045343531 is about 32331.7727784914. The cubic root of 1045343531 is about 1014.8916483463.

Adding to 1045343531 its reverse (1353435401), we get a palindrome (2398778932).

The spelling of 1045343531 in words is "one billion, forty-five million, three hundred forty-three thousand, five hundred thirty-one".