11312121331000 has 96 divisors (see below), whose sum is σ = 30792056115600. Its totient is φ = 3878441582400.

The previous prime is 11312121330973. The next prime is 11312121331019. The reversal of 11312121331000 is 13312121311.

It is a super-2 number, since 2×11312121331000² (a number of 27 digits) contains 22 as substring.

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, 115380810 + ... + 115478809.

Almost surely, 2^{11312121331000} is an apocalyptic number.

11312121331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312121331000 is an abundant number, since it is smaller than the sum of its proper divisors (19479934784600).

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

11312121331000 is a wasteful number, since it uses less digits than its factorization.

11312121331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230859654 (or 230859633 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11312121331000 its reverse (13312121311), we get a palindrome (11325433452311).

The spelling of 11312121331000 in words is "eleven trillion, three hundred twelve billion, one hundred twenty-one million, three hundred thirty-one thousand".