1332402131 has 4 divisors (see below), whose sum is σ = 1342127832. Its totient is φ = 1322676432.

The previous prime is 1332402119. The next prime is 1332402161. The reversal of 1332402131 is 1312042331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1332402131 - 2⁶ = 1332402067 is a prime.

It is a super-2 number, since 2×1332402131² = 3550590877386682322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332402161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862645 + ... + 4862918.

It is an arithmetic number, because the mean of its divisors is an integer number (335531958).

Almost surely, 2^1332402131 is an apocalyptic number.

1332402131 is a deficient number, since it is larger than the sum of its proper divisors (9725701).

1332402131 is an equidigital number, since it uses as much as digits as its factorization.

1332402131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725700.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1332402131 is about 36502.0839268116. The cubic root of 1332402131 is about 1100.3861264280.

Adding to 1332402131 its reverse (1312042331), we get a palindrome (2644444462).

The spelling of 1332402131 in words is "one billion, three hundred thirty-two million, four hundred two thousand, one hundred thirty-one".