101531332 has 18 divisors (see below), whose sum is σ = 206689182. Its totient is φ = 43513344.

The previous prime is 101531329. The next prime is 101531333. The reversal of 101531332 is 233135101.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 30735936 = 8414^2 + 5544^2 .

It is a super-2 number, since 2×101531332² = 20617222755388448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101531333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258813 + ... + 259204.

Almost surely, 2^101531332 is an apocalyptic number.

It is an amenable number.

101531332 is an abundant number, since it is smaller than the sum of its proper divisors (105157850).

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

101531332 is a wasteful number, since it uses less digits than its factorization.

101531332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518035 (or 518026 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 101531332 is about 10076.2757008728. The cubic root of 101531332 is about 466.5161625774.

Adding to 101531332 its reverse (233135101), we get a palindrome (334666433).

The spelling of 101531332 in words is "one hundred one million, five hundred thirty-one thousand, three hundred thirty-two".