101838831 has 4 divisors (see below), whose sum is σ = 135785112. Its totient is φ = 67892552.

The previous prime is 101838799. The next prime is 101838833. The reversal of 101838831 is 138838101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101838831 - 2⁵ = 101838799 is a prime.

It is a super-2 number, since 2×101838831² = 20742294998893122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101838792 and 101838801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101838833) 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, 16973136 + ... + 16973141.

It is an arithmetic number, because the mean of its divisors is an integer number (33946278).

Almost surely, 2^101838831 is an apocalyptic number.

101838831 is a deficient number, since it is larger than the sum of its proper divisors (33946281).

101838831 is an equidigital number, since it uses as much as digits as its factorization.

101838831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33946280.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 101838831 is about 10091.5227294993. The cubic root of 101838831 is about 466.9866533853.

The spelling of 101838831 in words is "one hundred one million, eight hundred thirty-eight thousand, eight hundred thirty-one".