2231048691 has 80 divisors (see below), whose sum is σ = 3582931968. Its totient is φ = 1380456000.

The previous prime is 2231048683. The next prime is 2231048711. The reversal of 2231048691 is 1968401322.

It is not a de Polignac number, because 2231048691 - 2³ = 2231048683 is a prime.

It is a super-3 number, since 3×2231048691³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231048591) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13359490 + ... + 13359656.

Almost surely, 2^2231048691 is an apocalyptic number.

2231048691 is a deficient number, since it is larger than the sum of its proper divisors (1351883277).

2231048691 is a wasteful number, since it uses less digits than its factorization.

2231048691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2231048691 is about 47233.9781407410. The cubic root of 2231048691 is about 1306.6813208203.

The spelling of 2231048691 in words is "two billion, two hundred thirty-one million, forty-eight thousand, six hundred ninety-one".