101331612 has 36 divisors (see below), whose sum is σ = 257502336. Its totient is φ = 33598080.

The previous prime is 101331599. The next prime is 101331619. The reversal of 101331612 is 216133101.

101331612 is a `hidden beast` number, since 10 + 13 + 31 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101331619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493 + ... + 14244.

Almost surely, 2^101331612 is an apocalyptic number.

101331612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101331612 is an abundant number, since it is smaller than the sum of its proper divisors (156170724).

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

101331612 is a wasteful number, since it uses less digits than its factorization.

101331612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938 (or 14933 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 101331612 is about 10066.3604147676. The cubic root of 101331612 is about 466.2100706365.

Adding to 101331612 its reverse (216133101), we get a palindrome (317464713).

The spelling of 101331612 in words is "one hundred one million, three hundred thirty-one thousand, six hundred twelve".