1030431120 has 40 divisors (see below), whose sum is σ = 3194337216. Its totient is φ = 274781568.

The previous prime is 1030431113. The next prime is 1030431133. The reversal of 1030431120 is 211340301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1030431120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146492 + ... + 2146971.

Almost surely, 2^1030431120 is an apocalyptic number.

1030431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030431120 is an abundant number, since it is smaller than the sum of its proper divisors (2163906096).

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

1030431120 is a wasteful number, since it uses less digits than its factorization.

1030431120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293479 (or 4293473 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1030431120 is about 32100.3289702769. The cubic root of 1030431120 is about 1010.0425169175.

Adding to 1030431120 its reverse (211340301), we get a palindrome (1241771421).

The spelling of 1030431120 in words is "one billion, thirty million, four hundred thirty-one thousand, one hundred twenty".