133313111400 has 96 divisors (see below), whose sum is σ = 472309323840. Its totient is φ = 30471567360.

The previous prime is 133313111369. The next prime is 133313111417. The reversal of 133313111400 is 4111313331.

It is a super-2 number, since 2×133313111400² (a number of 23 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 23 ways as a sum of consecutive naturals, for example, 15866409 + ... + 15874808.

It is an arithmetic number, because the mean of its divisors is an integer number (4919888790).

Almost surely, 2^133313111400 is an apocalyptic number.

133313111400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133313111400 is an abundant number, since it is smaller than the sum of its proper divisors (338996212440).

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

133313111400 is a wasteful number, since it uses less digits than its factorization.

133313111400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31741243 (or 31741234 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133313111400 its reverse (4111313331), we get a palindrome (137424424731).

The spelling of 133313111400 in words is "one hundred thirty-three billion, three hundred thirteen million, one hundred eleven thousand, four hundred".