3131220042334 has 8 divisors (see below), whose sum is σ = 4697043592680. Its totient is φ = 1565538844776.

The previous prime is 3131220042331. The next prime is 3131220042407. The reversal of 3131220042334 is 4332400221313.

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 (3131220042331) 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, 35533189 + ... + 35621200.

It is an arithmetic number, because the mean of its divisors is an integer number (587130449085).

Almost surely, 2^{3131220042334} is an apocalyptic number.

3131220042334 is a deficient number, since it is larger than the sum of its proper divisors (1565823550346).

3131220042334 is a wasteful number, since it uses less digits than its factorization.

3131220042334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71176394.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 3131220042334 its reverse (4332400221313), we get a palindrome (7463620263647).

The spelling of 3131220042334 in words is "three trillion, one hundred thirty-one billion, two hundred twenty million, forty-two thousand, three hundred thirty-four".