3143234242042 has 4 divisors (see below), whose sum is σ = 4714851363066. Its totient is φ = 1571617121020.

The previous prime is 3143234242033. The next prime is 3143234242069. The reversal of 3143234242042 is 2402424323413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2144235991041 + 998998251001 = 1464321^2 + 999499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3143234241989 and 3143234242007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785808560509 + ... + 785808560512.

Almost surely, 2^{3143234242042} is an apocalyptic number.

3143234242042 is a deficient number, since it is larger than the sum of its proper divisors (1571617121024).

3143234242042 is a wasteful number, since it uses less digits than its factorization.

3143234242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571617121023.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 3143234242042 its reverse (2402424323413), we get a palindrome (5545658565455).

The spelling of 3143234242042 in words is "three trillion, one hundred forty-three billion, two hundred thirty-four million, two hundred forty-two thousand, forty-two".