2073731831 has 4 divisors (see below), whose sum is σ = 2086940472. Its totient is φ = 2060523192.

The previous prime is 2073731809. The next prime is 2073731851. The reversal of 2073731831 is 1381373702.

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

It is a cyclic number.

It is not a de Polignac number, because 2073731831 - 2⁶ = 2073731767 is a prime.

It is a super-2 number, since 2×2073731831² = 8600727413805225122, 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 = 2073731791 and 2073731800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073731851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6604085 + ... + 6604398.

It is an arithmetic number, because the mean of its divisors is an integer number (521735118).

Almost surely, 2^2073731831 is an apocalyptic number.

2073731831 is a deficient number, since it is larger than the sum of its proper divisors (13208641).

2073731831 is a wasteful number, since it uses less digits than its factorization.

2073731831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208640.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2073731831 is about 45538.2458050373. The cubic root of 2073731831 is about 1275.2173062393.

The spelling of 2073731831 in words is "two billion, seventy-three million, seven hundred thirty-one thousand, eight hundred thirty-one".