3121130332142 has 8 divisors (see below), whose sum is σ = 4681935115536. Its totient is φ = 1560485293632.

The previous prime is 3121130332141. The next prime is 3121130332157. The reversal of 3121130332142 is 2412330311213.

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 not an unprimeable number, because it can be changed into a prime (3121130332141) 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, 39887363 + ... + 39965534.

It is an arithmetic number, because the mean of its divisors is an integer number (585241889442).

Almost surely, 2^{3121130332142} is an apocalyptic number.

3121130332142 is a deficient number, since it is larger than the sum of its proper divisors (1560804783394).

3121130332142 is a wasteful number, since it uses less digits than its factorization.

3121130332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79872442.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 3121130332142 its reverse (2412330311213), we get a palindrome (5533460643355).

The spelling of 3121130332142 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-two thousand, one hundred forty-two".