3230283781 has 4 divisors (see below), whose sum is σ = 3420300492. Its totient is φ = 3040267072.

The previous prime is 3230283767. The next prime is 3230283787. The reversal of 3230283781 is 1873820323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1873820323 = 6173 ⋅303551.

It can be written as a sum of positive squares in 2 ways, for example, as 2738952225 + 491331556 = 52335^2 + 22166^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230283781 - 2²⁷ = 3096066053 is a prime.

It is a super-2 number, since 2×3230283781² = 20869466611583311922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3230283781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230283787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95008330 + ... + 95008363.

It is an arithmetic number, because the mean of its divisors is an integer number (855075123).

Almost surely, 2^3230283781 is an apocalyptic number.

It is an amenable number.

3230283781 is a deficient number, since it is larger than the sum of its proper divisors (190016711).

3230283781 is a wasteful number, since it uses less digits than its factorization.

3230283781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190016710.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 3230283781 is about 56835.5855164702. The cubic root of 3230283781 is about 1478.2466119109.

The spelling of 3230283781 in words is "three billion, two hundred thirty million, two hundred eighty-three thousand, seven hundred eighty-one".