3121230142 has 8 divisors (see below), whose sum is σ = 4689266832. Its totient is φ = 1558141200.

The previous prime is 3121230137. The next prime is 3121230163. The reversal of 3121230142 is 2410321213.

It is a happy number.

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, 1235359 + ... + 1237882.

It is an arithmetic number, because the mean of its divisors is an integer number (586158354).

Almost surely, 2^3121230142 is an apocalyptic number.

3121230142 is a deficient number, since it is larger than the sum of its proper divisors (1568036690).

3121230142 is a wasteful number, since it uses less digits than its factorization.

3121230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473874.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3121230142 is about 55867.9706271849. The cubic root of 3121230142 is about 1461.4207321871.

Adding to 3121230142 its reverse (2410321213), we get a palindrome (5531551355).

The spelling of 3121230142 in words is "three billion, one hundred twenty-one million, two hundred thirty thousand, one hundred forty-two".