3117123442 has 4 divisors (see below), whose sum is σ = 4675685166. Its totient is φ = 1558561720.

The previous prime is 3117123403. The next prime is 3117123469. The reversal of 3117123442 is 2443217113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2443217113 = 23 ⋅106226831.

It can be written as a sum of positive squares in only one way, i.e., 2957075641 + 160047801 = 54379^2 + 12651^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3117123442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779280859 + ... + 779280862.

Almost surely, 2^3117123442 is an apocalyptic number.

3117123442 is a deficient number, since it is larger than the sum of its proper divisors (1558561724).

3117123442 is a wasteful number, since it uses less digits than its factorization.

3117123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558561723.

The product of its digits is 4032, while the sum is 28.

The square root of 3117123442 is about 55831.2049126651. The cubic root of 3117123442 is about 1460.7795052408.

The spelling of 3117123442 in words is "three billion, one hundred seventeen million, one hundred twenty-three thousand, four hundred forty-two".