3143513242 has 4 divisors (see below), whose sum is σ = 4715269866. Its totient is φ = 1571756620.

The previous prime is 3143513221. The next prime is 3143513291. The reversal of 3143513242 is 2423153413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2423153413 = 911 ⋅2659883.

It can be written as a sum of positive squares in only one way, i.e., 3077919441 + 65593801 = 55479^2 + 8099^2 .

It is a super-3 number, since 3×3143513242³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3143513242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785878309 + ... + 785878312.

Almost surely, 2^3143513242 is an apocalyptic number.

3143513242 is a deficient number, since it is larger than the sum of its proper divisors (1571756624).

3143513242 is a wasteful number, since it uses less digits than its factorization.

3143513242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571756623.

The product of its digits is 8640, while the sum is 28.

The square root of 3143513242 is about 56067.0423867712. The cubic root of 3143513242 is about 1464.8902824097.

Adding to 3143513242 its reverse (2423153413), we get a palindrome (5566666655).

The spelling of 3143513242 in words is "three billion, one hundred forty-three million, five hundred thirteen thousand, two hundred forty-two".