1330132431 has 8 divisors (see below), whose sum is σ = 1774049200. Its totient is φ = 886485312.

The previous prime is 1330132423. The next prime is 1330132439. The reversal of 1330132431 is 1342310331.

It is an interprime number because it is at equal distance from previous prime (1330132423) and next prime (1330132439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330132431 - 2³ = 1330132423 is a prime.

It is a super-2 number, since 2×1330132431² = 3538504567995939522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330132398 and 1330132407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330132439) 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 7 ways as a sum of consecutive naturals, for example, 55606 + ... + 75843.

It is an arithmetic number, because the mean of its divisors is an integer number (221756150).

Almost surely, 2^1330132431 is an apocalyptic number.

1330132431 is a deficient number, since it is larger than the sum of its proper divisors (443916769).

1330132431 is a wasteful number, since it uses less digits than its factorization.

1330132431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134825.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1330132431 is about 36470.9806695680. The cubic root of 1330132431 is about 1099.7609483286.

Adding to 1330132431 its reverse (1342310331), we get a palindrome (2672442762).

The spelling of 1330132431 in words is "one billion, three hundred thirty million, one hundred thirty-two thousand, four hundred thirty-one".