2143001031 has 8 divisors (see below), whose sum is σ = 2858665584. Its totient is φ = 1428001920.

The previous prime is 2143001017. The next prime is 2143001053. The reversal of 2143001031 is 1301003412.

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

It is not a de Polignac number, because 2143001031 - 2²² = 2138806727 is a prime.

It is a super-2 number, since 2×2143001031² = 9184906837734125922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143001031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143001071) 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, 158796 + ... + 171761.

It is an arithmetic number, because the mean of its divisors is an integer number (357333198).

Almost surely, 2^2143001031 is an apocalyptic number.

2143001031 is a deficient number, since it is larger than the sum of its proper divisors (715664553).

2143001031 is a wasteful number, since it uses less digits than its factorization.

2143001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332721.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2143001031 is about 46292.5591321111. The cubic root of 2143001031 is about 1289.2608451074.

Adding to 2143001031 its reverse (1301003412), we get a palindrome (3444004443).

The spelling of 2143001031 in words is "two billion, one hundred forty-three million, one thousand, thirty-one".