2031272671 has 4 divisors (see below), whose sum is σ = 2047267072. Its totient is φ = 2015278272.

The previous prime is 2031272609. The next prime is 2031272689. The reversal of 2031272671 is 1762721302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031272671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031272171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7997010 + ... + 7997263.

It is an arithmetic number, because the mean of its divisors is an integer number (511816768).

Almost surely, 2^2031272671 is an apocalyptic number.

2031272671 is a deficient number, since it is larger than the sum of its proper divisors (15994401).

2031272671 is a wasteful number, since it uses less digits than its factorization.

2031272671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15994400.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2031272671 is about 45069.6424547611. The cubic root of 2031272671 is about 1266.4539664165.

Adding to 2031272671 its reverse (1762721302), we get a palindrome (3793993973).

The spelling of 2031272671 in words is "two billion, thirty-one million, two hundred seventy-two thousand, six hundred seventy-one".