2101143131 has 8 divisors (see below), whose sum is σ = 2164843584. Its totient is φ = 2038234240.

The previous prime is 2101143073. The next prime is 2101143133. The reversal of 2101143131 is 1313411012.

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-2101143131 is a prime.

It is a super-2 number, since 2×2101143131² = 8829604913896966322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101143133) 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, 192500 + ... + 203121.

It is an arithmetic number, because the mean of its divisors is an integer number (270605448).

Almost surely, 2^2101143131 is an apocalyptic number.

2101143131 is a deficient number, since it is larger than the sum of its proper divisors (63700453).

2101143131 is a wasteful number, since it uses less digits than its factorization.

2101143131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395781.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2101143131 is about 45838.2278344179. The cubic root of 2101143131 is about 1280.8114831150.

Adding to 2101143131 its reverse (1313411012), we get a palindrome (3414554143).

The spelling of 2101143131 in words is "two billion, one hundred one million, one hundred forty-three thousand, one hundred thirty-one".