100031450 has 12 divisors (see below), whose sum is σ = 186058590. Its totient is φ = 40012560.

The previous prime is 100031443. The next prime is 100031467. The reversal of 100031450 is 54130001.

It can be written as a sum of positive squares in 3 ways, for example, as 91604041 + 8427409 = 9571^2 + 2903^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000265 + ... + 1000364.

Almost surely, 2^100031450 is an apocalyptic number.

100031450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100031450 is a deficient number, since it is larger than the sum of its proper divisors (86027140).

100031450 is a wasteful number, since it uses less digits than its factorization.

100031450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000641 (or 2000636 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100031450 is about 10001.5723763816. The cubic root of 100031450 is about 464.2075375840.

Adding to 100031450 its reverse (54130001), we get a palindrome (154161451).

The spelling of 100031450 in words is "one hundred million, thirty-one thousand, four hundred fifty".