3142112381 has 2 divisors, whose sum is σ = 3142112382. Its totient is φ = 3142112380.

The previous prime is 3142112377. The next prime is 3142112401. The reversal of 3142112381 is 1832112413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1839552100 + 1302560281 = 42890^2 + 36091^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142112381 - 2² = 3142112377 is a prime.

It is a super-2 number, since 2×3142112381² = 19745740429666978322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3142112381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3142112321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571056190 + 1571056191.

It is an arithmetic number, because the mean of its divisors is an integer number (1571056191).

Almost surely, 2^3142112381 is an apocalyptic number.

It is an amenable number.

3142112381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142112381 is an equidigital number, since it uses as much as digits as its factorization.

3142112381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 3142112381 is about 56054.5482632765. The cubic root of 3142112381 is about 1464.6726477216.

Adding to 3142112381 its reverse (1832112413), we get a palindrome (4974224794).

The spelling of 3142112381 in words is "three billion, one hundred forty-two million, one hundred twelve thousand, three hundred eighty-one".