11003231303400 has 384 divisors, whose sum is σ = 42054793678080. Its totient is φ = 2322418974720.

The previous prime is 11003231303387. The next prime is 11003231303411. The reversal of 11003231303400 is 430313230011.

It is a super-2 number, since 2×11003231303400² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2330362 + ... + 5238038.

It is an arithmetic number, because the mean of its divisors is an integer number (109517691870).

Almost surely, 2^{11003231303400} is an apocalyptic number.

11003231303400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11003231303400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21027396839040).

11003231303400 is an abundant number, since it is smaller than the sum of its proper divisors (31051562374680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11003231303400 is a wasteful number, since it uses less digits than its factorization.

11003231303400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907773 (or 2907764 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11003231303400 its reverse (430313230011), we get a palindrome (11433544533411).

The spelling of 11003231303400 in words is "eleven trillion, three billion, two hundred thirty-one million, three hundred three thousand, four hundred".