100531372 has 24 divisors (see below), whose sum is σ = 177795072. Its totient is φ = 49736400.

The previous prime is 100531351. The next prime is 100531373. The reversal of 100531372 is 273135001.

It is not an unprimeable number, because it can be changed into a prime (100531373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262293 + ... + 262675.

It is an arithmetic number, because the mean of its divisors is an integer number (7408128).

Almost surely, 2^100531372 is an apocalyptic number.

It is an amenable number.

100531372 is a deficient number, since it is larger than the sum of its proper divisors (77263700).

100531372 is a wasteful number, since it uses less digits than its factorization.

100531372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 100531372 is about 10026.5333989370. The cubic root of 100531372 is about 464.9795682239.

Adding to 100531372 its reverse (273135001), we get a palindrome (373666373).

The spelling of 100531372 in words is "one hundred million, five hundred thirty-one thousand, three hundred seventy-two".