2131432342 has 64 divisors (see below), whose sum is σ = 3682990080. Its totient is φ = 918086400.

The previous prime is 2131432337. The next prime is 2131432349. The reversal of 2131432342 is 2432341312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131432349) 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 31 ways as a sum of consecutive naturals, for example, 3084217 + ... + 3084907.

It is an arithmetic number, because the mean of its divisors is an integer number (57546720).

Almost surely, 2^2131432342 is an apocalyptic number.

2131432342 is a deficient number, since it is larger than the sum of its proper divisors (1551557738).

2131432342 is a wasteful number, since it uses less digits than its factorization.

2131432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its digits is 3456, while the sum is 25.

The square root of 2131432342 is about 46167.4381138915. The cubic root of 2131432342 is about 1286.9366935601.

Adding to 2131432342 its reverse (2432341312), we get a palindrome (4563773654).

The spelling of 2131432342 in words is "two billion, one hundred thirty-one million, four hundred thirty-two thousand, three hundred forty-two".