2101343531 has 8 divisors (see below), whose sum is σ = 2542802400. Its totient is φ = 1695201408.

The previous prime is 2101343527. The next prime is 2101343561. The reversal of 2101343531 is 1353431012.

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 2101343531 - 2² = 2101343527 is a prime.

It is a super-2 number, since 2×2101343531² = 8831289270551095922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101343497 and 2101343506.

It is not an unprimeable number, because it can be changed into a prime (2101343501) 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, 8829056 + ... + 8829293.

It is an arithmetic number, because the mean of its divisors is an integer number (317850300).

Almost surely, 2^2101343531 is an apocalyptic number.

2101343531 is a deficient number, since it is larger than the sum of its proper divisors (441458869).

2101343531 is a wasteful number, since it uses less digits than its factorization.

2101343531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658373.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2101343531 is about 45840.4137306809. The cubic root of 2101343531 is about 1280.8522016581.

Adding to 2101343531 its reverse (1353431012), we get a palindrome (3454774543).

The spelling of 2101343531 in words is "two billion, one hundred one million, three hundred forty-three thousand, five hundred thirty-one".