11131031143100 has 72 divisors (see below), whose sum is σ = 26475069403776. Its totient is φ = 4028464440000.

The previous prime is 11131031143069. The next prime is 11131031143123. The reversal of 11131031143100 is 134113013111.

It is a super-2 number, since 2×11131031143100² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

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, 23746856 + ... + 24211055.

Almost surely, 2^{11131031143100} is an apocalyptic number.

11131031143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131031143100 is an abundant number, since it is smaller than the sum of its proper divisors (15344038260676).

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

11131031143100 is a wasteful number, since it uses less digits than its factorization.

11131031143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47958147 (or 47958140 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11131031143100 its reverse (134113013111), we get a palindrome (11265144156211).

The spelling of 11131031143100 in words is "eleven trillion, one hundred thirty-one billion, thirty-one million, one hundred forty-three thousand, one hundred".