3102111242 has 4 divisors (see below), whose sum is σ = 4653166866. Its totient is φ = 1551055620.

The previous prime is 3102111241. The next prime is 3102111283. The reversal of 3102111242 is 2421112013.

3102111242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421112013 = 2137 ⋅1132949.

It can be written as a sum of positive squares in only one way, i.e., 2715556321 + 386554921 = 52111^2 + 19661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3102111242.

It is not an unprimeable number, because it can be changed into a prime (3102111241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775527809 + ... + 775527812.

Almost surely, 2^3102111242 is an apocalyptic number.

3102111242 is a deficient number, since it is larger than the sum of its proper divisors (1551055624).

3102111242 is a wasteful number, since it uses less digits than its factorization.

3102111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551055623.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3102111242 is about 55696.5999141779. The cubic root of 3102111242 is about 1458.4306716141.

Adding to 3102111242 its reverse (2421112013), we get a palindrome (5523223255).

The spelling of 3102111242 in words is "three billion, one hundred two million, one hundred eleven thousand, two hundred forty-two".