32007000381 has 4 divisors (see below), whose sum is σ = 42676000512. Its totient is φ = 21338000252.

The previous prime is 32007000371. The next prime is 32007000391. The reversal of 32007000381 is 18300070023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18300070023 = 3 ⋅6100023341.

It is an interprime number because it is at equal distance from previous prime (32007000371) and next prime (32007000391).

It is a cyclic number.

It is not a de Polignac number, because 32007000381 - 2⁵ = 32007000349 is a prime.

It is a super-2 number, since 2×32007000381² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32007000301) 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, 5334500061 + ... + 5334500066.

It is an arithmetic number, because the mean of its divisors is an integer number (10669000128).

Almost surely, 2^32007000381 is an apocalyptic number.

It is an amenable number.

32007000381 is a deficient number, since it is larger than the sum of its proper divisors (10669000131).

32007000381 is a wasteful number, since it uses less digits than its factorization.

32007000381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669000130.

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 32007000381 in words is "thirty-two billion, seven million, three hundred eighty-one", and thus it is an aban number.