11031413421 has 24 divisors (see below), whose sum is σ = 16943695680. Its totient is φ = 6253837632.

The previous prime is 11031413413. The next prime is 11031413539. The reversal of 11031413421 is 12431413011.

It is not a de Polignac number, because 11031413421 - 2³ = 11031413413 is a prime.

It is a super-3 number, since 3×11031413421³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031413221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322425 + ... + 354993.

It is an arithmetic number, because the mean of its divisors is an integer number (705987320).

Almost surely, 2^11031413421 is an apocalyptic number.

It is an amenable number.

11031413421 is a deficient number, since it is larger than the sum of its proper divisors (5912282259).

11031413421 is an equidigital number, since it uses as much as digits as its factorization.

11031413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32833 (or 32706 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11031413421 its reverse (12431413011), we get a palindrome (23462826432).

The spelling of 11031413421 in words is "eleven billion, thirty-one million, four hundred thirteen thousand, four hundred twenty-one".