101400231 has 4 divisors (see below), whose sum is σ = 135200312. Its totient is φ = 67600152.

The previous prime is 101400227. The next prime is 101400253. The reversal of 101400231 is 132004101.

It is a happy number.

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

It is not a de Polignac number, because 101400231 - 2² = 101400227 is a prime.

It is a super-2 number, since 2×101400231² = 20564013693706722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101400731) 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, 16900036 + ... + 16900041.

It is an arithmetic number, because the mean of its divisors is an integer number (33800078).

Almost surely, 2^101400231 is an apocalyptic number.

101400231 is a deficient number, since it is larger than the sum of its proper divisors (33800081).

101400231 is an equidigital number, since it uses as much as digits as its factorization.

101400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33800080.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101400231 is about 10069.7681701219. The cubic root of 101400231 is about 466.3152818002.

Adding to 101400231 its reverse (132004101), we get a palindrome (233404332).

The spelling of 101400231 in words is "one hundred one million, four hundred thousand, two hundred thirty-one".