11001002431 has 8 divisors (see below), whose sum is σ = 11030904000. Its totient is φ = 10971125760.

The previous prime is 11001002429. The next prime is 11001002437. The reversal of 11001002431 is 13420010011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001002431 - 2¹ = 11001002429 is a prime.

It is a super-2 number, since 2×11001002431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001002437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166746 + ... + 1176136.

It is an arithmetic number, because the mean of its divisors is an integer number (1378863000).

Almost surely, 2^11001002431 is an apocalyptic number.

11001002431 is a deficient number, since it is larger than the sum of its proper divisors (29901569).

11001002431 is an equidigital number, since it uses as much as digits as its factorization.

11001002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11001002431 its reverse (13420010011), we get a palindrome (24421012442).

The spelling of 11001002431 in words is "eleven billion, one million, two thousand, four hundred thirty-one".