11120431 has 24 divisors (see below), whose sum is σ = 14146560. Its totient is φ = 8545152.

The previous prime is 11120419. The next prime is 11120479. The reversal of 11120431 is 13402111.

11120431 = 469² + 470² + ... + 514².

It is not a de Polignac number, because 11120431 - 2⁵ = 11120399 is a prime.

It is a super-2 number, since 2×11120431² = 247327971251522, 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 (11120411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46410 + ... + 46648.

It is an arithmetic number, because the mean of its divisors is an integer number (589440).

Almost surely, 2^11120431 is an apocalyptic number.

11120431 is a deficient number, since it is larger than the sum of its proper divisors (3026129).

11120431 is a wasteful number, since it uses less digits than its factorization.

11120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11120431 is about 3334.7310236359. The cubic root of 11120431 is about 223.2066896652.

Adding to 11120431 its reverse (13402111), we get a palindrome (24522542).

The spelling of 11120431 in words is "eleven million, one hundred twenty thousand, four hundred thirty-one".