38298128231 has 8 divisors (see below), whose sum is σ = 41891790864. Its totient is φ = 34723134720.

The previous prime is 38298128171. The next prime is 38298128233. The reversal of 38298128231 is 13282189283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38298128231 is a prime.

It is a super-2 number, since 2×38298128231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38298128233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4662986 + ... + 4671191.

It is an arithmetic number, because the mean of its divisors is an integer number (5236473858).

Almost surely, 2^38298128231 is an apocalyptic number.

38298128231 is a deficient number, since it is larger than the sum of its proper divisors (3593662633).

38298128231 is a wasteful number, since it uses less digits than its factorization.

38298128231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334561.

The product of its digits is 331776, while the sum is 47.

The spelling of 38298128231 in words is "thirty-eight billion, two hundred ninety-eight million, one hundred twenty-eight thousand, two hundred thirty-one".