2131022342 has 8 divisors (see below), whose sum is σ = 3210868416. Its totient is φ = 1060732872.

The previous prime is 2131022317. The next prime is 2131022353. The reversal of 2131022342 is 2432201312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388593 + ... + 2389484.

It is an arithmetic number, because the mean of its divisors is an integer number (401358552).

Almost surely, 2^2131022342 is an apocalyptic number.

2131022342 is a deficient number, since it is larger than the sum of its proper divisors (1079846074).

2131022342 is a wasteful number, since it uses less digits than its factorization.

2131022342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778302.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2131022342 is about 46162.9975413209. The cubic root of 2131022342 is about 1286.8541703558.

Adding to 2131022342 its reverse (2432201312), we get a palindrome (4563223654).

The spelling of 2131022342 in words is "two billion, one hundred thirty-one million, twenty-two thousand, three hundred forty-two".