381040731302 has 32 divisors (see below), whose sum is σ = 712676275200. Its totient is φ = 148440631680.

The previous prime is 381040731299. The next prime is 381040731317. The reversal of 381040731302 is 203137040183.

It is a super-2 number, since 2×381040731302² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271699 + ... + 1542497.

It is an arithmetic number, because the mean of its divisors is an integer number (22271133600).

Almost surely, 2^381040731302 is an apocalyptic number.

381040731302 is a deficient number, since it is larger than the sum of its proper divisors (331635543898).

381040731302 is a wasteful number, since it uses less digits than its factorization.

381040731302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279956.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 381040731302 its reverse (203137040183), we get a palindrome (584177771485).

The spelling of 381040731302 in words is "three hundred eighty-one billion, forty million, seven hundred thirty-one thousand, three hundred two".