1030023431 has 4 divisors (see below), whose sum is σ = 1032402672. Its totient is φ = 1027644192.

The previous prime is 1030023413. The next prime is 1030023469. The reversal of 1030023431 is 1343200301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030023431 - 2⁶ = 1030023367 is a prime.

It is a super-2 number, since 2×1030023431² = 2121896536818023522, 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 (1030023481) 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, 1188971 + ... + 1189836.

It is an arithmetic number, because the mean of its divisors is an integer number (258100668).

Almost surely, 2^1030023431 is an apocalyptic number.

1030023431 is a deficient number, since it is larger than the sum of its proper divisors (2379241).

1030023431 is an equidigital number, since it uses as much as digits as its factorization.

1030023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379240.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1030023431 is about 32093.9781111660. The cubic root of 1030023431 is about 1009.9092919224.

Adding to 1030023431 its reverse (1343200301), we get a palindrome (2373223732).

The spelling of 1030023431 in words is "one billion, thirty million, twenty-three thousand, four hundred thirty-one".