11431033101 has 6 divisors (see below), whose sum is σ = 16511492270. Its totient is φ = 7620688728.

The previous prime is 11431033063. The next prime is 11431033123. The reversal of 11431033101 is 10133013411.

It can be written as a sum of positive squares in only one way, i.e., 10758875625 + 672157476 = 103725^2 + 25926^2 .

It is not a de Polignac number, because 11431033101 - 2¹⁷ = 11430902029 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 (11431033151) 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, 635057386 + ... + 635057403.

Almost surely, 2^11431033101 is an apocalyptic number.

It is an amenable number.

11431033101 is a deficient number, since it is larger than the sum of its proper divisors (5080459169).

11431033101 is a wasteful number, since it uses less digits than its factorization.

11431033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270114795 (or 1270114792 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11431033101 its reverse (10133013411), we get a palindrome (21564046512).

The spelling of 11431033101 in words is "eleven billion, four hundred thirty-one million, thirty-three thousand, one hundred one".