3113210042 has 4 divisors (see below), whose sum is σ = 4669815066. Its totient is φ = 1556605020.

The previous prime is 3113210041. The next prime is 3113210069. The reversal of 3113210042 is 2400123113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2400123113 = 1061 ⋅2262133.

It can be written as a sum of positive squares in only one way, i.e., 2375490121 + 737719921 = 48739^2 + 27161^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3113210042.

It is not an unprimeable number, because it can be changed into a prime (3113210041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778302509 + ... + 778302512.

Almost surely, 2^3113210042 is an apocalyptic number.

3113210042 is a deficient number, since it is larger than the sum of its proper divisors (1556605024).

3113210042 is a wasteful number, since it uses less digits than its factorization.

3113210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556605023.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3113210042 is about 55796.1471967375. The cubic root of 3113210042 is about 1460.1679362088.

Adding to 3113210042 its reverse (2400123113), we get a palindrome (5513333155).

The spelling of 3113210042 in words is "three billion, one hundred thirteen million, two hundred ten thousand, forty-two".