1130331420 has 36 divisors (see below), whose sum is σ = 3428672520. Its totient is φ = 301421664.

The previous prime is 1130331409. The next prime is 1130331437. The reversal of 1130331420 is 241330311.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1130331393 and 1130331402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3139630 + ... + 3139989.

Almost surely, 2^1130331420 is an apocalyptic number.

1130331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130331420 is an abundant number, since it is smaller than the sum of its proper divisors (2298341100).

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

1130331420 is a wasteful number, since it uses less digits than its factorization.

1130331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279634 (or 6279629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130331420 is about 33620.4018417389. The cubic root of 1130331420 is about 1041.6822564351.

Adding to 1130331420 its reverse (241330311), we get a palindrome (1371661731).

The spelling of 1130331420 in words is "one billion, one hundred thirty million, three hundred thirty-one thousand, four hundred twenty".