381335302 has 4 divisors (see below), whose sum is σ = 572002956. Its totient is φ = 190667650.

The previous prime is 381335293. The next prime is 381335323. The reversal of 381335302 is 203533183.

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: 203533183 = 7 ⋅29076169.

It is a super-2 number, since 2×381335302² = 290833225102862408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95333824 + ... + 95333827.

It is an arithmetic number, because the mean of its divisors is an integer number (143000739).

Almost surely, 2^381335302 is an apocalyptic number.

381335302 is a deficient number, since it is larger than the sum of its proper divisors (190667654).

381335302 is a wasteful number, since it uses less digits than its factorization.

381335302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190667653.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 381335302 is about 19527.8084279829. The cubic root of 381335302 is about 725.1630561511.

Adding to 381335302 its reverse (203533183), we get a palindrome (584868485).

The spelling of 381335302 in words is "three hundred eighty-one million, three hundred thirty-five thousand, three hundred two".