1030505431 has 4 divisors (see below), whose sum is σ = 1045019664. Its totient is φ = 1015991200.

The previous prime is 1030505423. The next prime is 1030505471. The reversal of 1030505431 is 1345050301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1345050301 = 7 ⋅192150043.

It is a cyclic number.

It is not a de Polignac number, because 1030505431 - 2³ = 1030505423 is a prime.

It is a super-2 number, since 2×1030505431² = 2123882886640991522, 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 (1030505471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7257010 + ... + 7257151.

It is an arithmetic number, because the mean of its divisors is an integer number (261254916).

Almost surely, 2^1030505431 is an apocalyptic number.

1030505431 is a deficient number, since it is larger than the sum of its proper divisors (14514233).

1030505431 is an equidigital number, since it uses as much as digits as its factorization.

1030505431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514232.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1030505431 is about 32101.4864297590. The cubic root of 1030505431 is about 1010.0667965495.

Adding to 1030505431 its reverse (1345050301), we get a palindrome (2375555732).

The spelling of 1030505431 in words is "one billion, thirty million, five hundred five thousand, four hundred thirty-one".