2231090973 has 40 divisors (see below), whose sum is σ = 3423885696. Its totient is φ = 1446984000.

The previous prime is 2231090971. The next prime is 2231090977. The reversal of 2231090973 is 3790901322.

It is not a de Polignac number, because 2231090973 - 2¹ = 2231090971 is a prime.

It is a super-3 number, since 3×2231090973³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231090971) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1536898 + ... + 1538348.

Almost surely, 2^2231090973 is an apocalyptic number.

It is an amenable number.

2231090973 is a deficient number, since it is larger than the sum of its proper divisors (1192794723).

2231090973 is a wasteful number, since it uses less digits than its factorization.

2231090973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 2231090973 is about 47234.4257189605. The cubic root of 2231090973 is about 1306.6895753466.

The spelling of 2231090973 in words is "two billion, two hundred thirty-one million, ninety thousand, nine hundred seventy-three".