131121113000 has 32 divisors (see below), whose sum is σ = 306823406760. Its totient is φ = 52448444800.

The previous prime is 131121112973. The next prime is 131121113027. The reversal of 131121113000 is 311121131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131121112973) and next prime (131121113027).

It can be written as a sum of positive squares in 4 ways, for example, as 8300303236 + 122820809764 = 91106^2 + 350458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65559557 + ... + 65561556.

Almost surely, 2^131121113000 is an apocalyptic number.

131121113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131121113000 is an abundant number, since it is smaller than the sum of its proper divisors (175702293760).

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

131121113000 is a wasteful number, since it uses less digits than its factorization.

131121113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131121134 (or 131121120 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 131121113000 its reverse (311121131), we get a palindrome (131432234131).

The spelling of 131121113000 in words is "one hundred thirty-one billion, one hundred twenty-one million, one hundred thirteen thousand".