11431135100 has 72 divisors (see below), whose sum is σ = 30926437248. Its totient is φ = 3562948800.

The previous prime is 11431135097. The next prime is 11431135103. The reversal of 11431135100 is 153113411.

It is an interprime number because it is at equal distance from previous prime (11431135097) and next prime (11431135103).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431135103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734582 + ... + 749981.

Almost surely, 2^11431135100 is an apocalyptic number.

11431135100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431135100 is an abundant number, since it is smaller than the sum of its proper divisors (19495302148).

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

11431135100 is a wasteful number, since it uses less digits than its factorization.

11431135100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484595 (or 1484588 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11431135100 its reverse (153113411), we get a palindrome (11584248511).

The spelling of 11431135100 in words is "eleven billion, four hundred thirty-one million, one hundred thirty-five thousand, one hundred".