1114431320 has 64 divisors (see below), whose sum is σ = 2645740800. Its totient is φ = 421303680.

The previous prime is 1114431319. The next prime is 1114431323. The reversal of 1114431320 is 231344111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1114431292 and 1114431301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114431323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368615 + ... + 371625.

It is an arithmetic number, because the mean of its divisors is an integer number (41339700).

Almost surely, 2^1114431320 is an apocalyptic number.

1114431320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1114431320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322870400).

1114431320 is an abundant number, since it is smaller than the sum of its proper divisors (1531309480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1114431320 is a wasteful number, since it uses less digits than its factorization.

1114431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3524 counting only the distinct ones).

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

The square root of 1114431320 is about 33383.0993168699. The cubic root of 1114431320 is about 1036.7748088484.

Adding to 1114431320 its reverse (231344111), we get a palindrome (1345775431).

The spelling of 1114431320 in words is "one billion, one hundred fourteen million, four hundred thirty-one thousand, three hundred twenty".