1122231431 has 8 divisors (see below), whose sum is σ = 1128116160. Its totient is φ = 1116357088.

The previous prime is 1122231427. The next prime is 1122231449. The reversal of 1122231431 is 1341322211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122231431 - 2² = 1122231427 is a prime.

It is a super-2 number, since 2×1122231431² = 2518806769448615522, 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 (1122731431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303365 + ... + 307041.

It is an arithmetic number, because the mean of its divisors is an integer number (141014520).

Almost surely, 2^1122231431 is an apocalyptic number.

1122231431 is a deficient number, since it is larger than the sum of its proper divisors (5884729).

1122231431 is a wasteful number, since it uses less digits than its factorization.

1122231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193.

The product of its digits is 288, while the sum is 20.

The square root of 1122231431 is about 33499.7228495998. The cubic root of 1122231431 is about 1039.1880469119.

Adding to 1122231431 its reverse (1341322211), we get a palindrome (2463553642).

The spelling of 1122231431 in words is "one billion, one hundred twenty-two million, two hundred thirty-one thousand, four hundred thirty-one".