1042223431 has 4 divisors (see below), whose sum is σ = 1078162200. Its totient is φ = 1006284664.

The previous prime is 1042223411. The next prime is 1042223459. The reversal of 1042223431 is 1343222401.

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 1042223431 - 2¹⁵ = 1042190663 is a prime.

It is a super-2 number, since 2×1042223431² = 2172459360250823522, 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 (1042223401) 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, 17969341 + ... + 17969398.

It is an arithmetic number, because the mean of its divisors is an integer number (269540550).

Almost surely, 2^1042223431 is an apocalyptic number.

1042223431 is a deficient number, since it is larger than the sum of its proper divisors (35938769).

1042223431 is an equidigital number, since it uses as much as digits as its factorization.

1042223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35938768.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1042223431 is about 32283.4854221164. The cubic root of 1042223431 is about 1013.8809059284.

Adding to 1042223431 its reverse (1343222401), we get a palindrome (2385445832).

The spelling of 1042223431 in words is "one billion, forty-two million, two hundred twenty-three thousand, four hundred thirty-one".