11233031421 has 8 divisors (see below), whose sum is σ = 14979036384. Its totient is φ = 7487857040.

The previous prime is 11233031413. The next prime is 11233031429. The reversal of 11233031421 is 12413033211.

It is an interprime number because it is at equal distance from previous prime (11233031413) and next prime (11233031429).

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 11233031421 - 2³ = 11233031413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233031429) 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, 175371 + ... + 230696.

It is an arithmetic number, because the mean of its divisors is an integer number (1872379548).

Almost surely, 2^11233031421 is an apocalyptic number.

It is an amenable number.

11233031421 is a deficient number, since it is larger than the sum of its proper divisors (3746004963).

11233031421 is an equidigital number, since it uses as much as digits as its factorization.

11233031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415291.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11233031421 its reverse (12413033211), we get a palindrome (23646064632).

The spelling of 11233031421 in words is "eleven billion, two hundred thirty-three million, thirty-one thousand, four hundred twenty-one".