2101134431 has 8 divisors (see below), whose sum is σ = 2426979024. Its totient is φ = 1797761920.

The previous prime is 2101134403. The next prime is 2101134443. The reversal of 2101134431 is 1344311012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101134431 - 2²² = 2096940127 is a prime.

It is a super-2 number, since 2×2101134431² = 8829531794267387522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101134631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5617820 + ... + 5618193.

It is an arithmetic number, because the mean of its divisors is an integer number (303372378).

Almost surely, 2^2101134431 is an apocalyptic number.

2101134431 is a deficient number, since it is larger than the sum of its proper divisors (325844593).

2101134431 is a wasteful number, since it uses less digits than its factorization.

2101134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236041.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2101134431 is about 45838.1329353629. The cubic root of 2101134431 is about 1280.8097153352.

Adding to 2101134431 its reverse (1344311012), we get a palindrome (3445445443).

The spelling of 2101134431 in words is "two billion, one hundred one million, one hundred thirty-four thousand, four hundred thirty-one".