1031420433 has 4 divisors (see below), whose sum is σ = 1375227248. Its totient is φ = 687613620.

The previous prime is 1031420417. The next prime is 1031420443. The reversal of 1031420433 is 3340241301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1031420433 - 2⁴ = 1031420417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031420443) 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, 171903403 + ... + 171903408.

It is an arithmetic number, because the mean of its divisors is an integer number (343806812).

Almost surely, 2^1031420433 is an apocalyptic number.

It is an amenable number.

1031420433 is a deficient number, since it is larger than the sum of its proper divisors (343806815).

1031420433 is an equidigital number, since it uses as much as digits as its factorization.

1031420433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343806814.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1031420433 is about 32115.7349752423. The cubic root of 1031420433 is about 1010.3656595168.

Adding to 1031420433 its reverse (3340241301), we get a palindrome (4371661734).

The spelling of 1031420433 in words is "one billion, thirty-one million, four hundred twenty thousand, four hundred thirty-three".