3144145531 has 2 divisors, whose sum is σ = 3144145532. Its totient is φ = 3144145530.

The previous prime is 3144145489. The next prime is 3144145547. The reversal of 3144145531 is 1355414413.

It is a strong prime.

It is an emirp because it is prime and its reverse (1355414413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3144145531 - 2²⁹ = 2607274619 is a prime.

It is a super-2 number, since 2×3144145531² = 19771302240214543922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3144145493 and 3144145502.

It is not a weakly prime, because it can be changed into another prime (3144145591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572072765 + 1572072766.

It is an arithmetic number, because the mean of its divisors is an integer number (1572072766).

Almost surely, 2^3144145531 is an apocalyptic number.

3144145531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144145531 is an equidigital number, since it uses as much as digits as its factorization.

3144145531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 3144145531 is about 56072.6807902030. The cubic root of 3144145531 is about 1464.9884922625.

Adding to 3144145531 its reverse (1355414413), we get a palindrome (4499559944).

The spelling of 3144145531 in words is "three billion, one hundred forty-four million, one hundred forty-five thousand, five hundred thirty-one".