1331434425 has 24 divisors (see below), whose sum is σ = 2206465920. Its totient is φ = 708433600.

The previous prime is 1331434417. The next prime is 1331434427. The reversal of 1331434425 is 5244341331.

It is not a de Polignac number, because 1331434425 - 2³ = 1331434417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331434392 and 1331434401.

It is not an unprimeable number, because it can be changed into a prime (1331434427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11731 + ... + 52919.

It is an arithmetic number, because the mean of its divisors is an integer number (91936080).

Almost surely, 2^1331434425 is an apocalyptic number.

1331434425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1331434425 is a deficient number, since it is larger than the sum of its proper divisors (875031495).

1331434425 is a wasteful number, since it uses less digits than its factorization.

1331434425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41633 (or 41628 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 1331434425 is about 36488.8260293477. The cubic root of 1331434425 is about 1100.1196632905.

Adding to 1331434425 its reverse (5244341331), we get a palindrome (6575775756).

The spelling of 1331434425 in words is "one billion, three hundred thirty-one million, four hundred thirty-four thousand, four hundred twenty-five".