1351130403 has 32 divisors (see below), whose sum is σ = 2182602240. Its totient is φ = 725783040.

The previous prime is 1351130401. The next prime is 1351130411. The reversal of 1351130403 is 3040311531.

It is not a de Polignac number, because 1351130403 - 2¹ = 1351130401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1351130403.

It is not an unprimeable number, because it can be changed into a prime (1351130401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387753 + ... + 391221.

It is an arithmetic number, because the mean of its divisors is an integer number (68206320).

Almost surely, 2^1351130403 is an apocalyptic number.

1351130403 is a deficient number, since it is larger than the sum of its proper divisors (831471837).

1351130403 is a wasteful number, since it uses less digits than its factorization.

1351130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1351130403 is about 36757.7257593557. The cubic root of 1351130403 is about 1105.5178405887.

Adding to 1351130403 its reverse (3040311531), we get a palindrome (4391441934).

The spelling of 1351130403 in words is "one billion, three hundred fifty-one million, one hundred thirty thousand, four hundred three".