101131080 has 32 divisors (see below), whose sum is σ = 303393600. Its totient is φ = 26968256.

The previous prime is 101131067. The next prime is 101131099. The reversal of 101131080 is 80131101.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 421260 + ... + 421499.

It is an arithmetic number, because the mean of its divisors is an integer number (9481050).

Almost surely, 2^101131080 is an apocalyptic number.

101131080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101131080 is an abundant number, since it is smaller than the sum of its proper divisors (202262520).

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

101131080 is a wasteful number, since it uses less digits than its factorization.

101131080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842773 (or 842769 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 101131080 is about 10056.3949803098. The cubic root of 101131080 is about 465.9023293003.

Adding to 101131080 its reverse (80131101), we get a palindrome (181262181).

The spelling of 101131080 in words is "one hundred one million, one hundred thirty-one thousand, eighty".