2011431763 has 6 divisors (see below), whose sum is σ = 2210912732. Its totient is φ = 1828574220.

The previous prime is 2011431749. The next prime is 2011431797. The reversal of 2011431763 is 3671341102.

It is not a de Polignac number, because 2011431763 - 2⁵ = 2011431731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011431743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8311581 + ... + 8311822.

Almost surely, 2^2011431763 is an apocalyptic number.

2011431763 is a deficient number, since it is larger than the sum of its proper divisors (199480969).

2011431763 is a wasteful number, since it uses less digits than its factorization.

2011431763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623425 (or 16623414 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2011431763 is about 44848.9884278341. The cubic root of 2011431763 is about 1262.3170104748.

Adding to 2011431763 its reverse (3671341102), we get a palindrome (5682772865).

The spelling of 2011431763 in words is "two billion, eleven million, four hundred thirty-one thousand, seven hundred sixty-three".