100311542 has 4 divisors (see below), whose sum is σ = 150467316. Its totient is φ = 50155770.

The previous prime is 100311517. The next prime is 100311553. The reversal of 100311542 is 245113001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100311542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077884 + ... + 25077887.

It is an arithmetic number, because the mean of its divisors is an integer number (37616829).

Almost surely, 2^100311542 is an apocalyptic number.

100311542 is a deficient number, since it is larger than the sum of its proper divisors (50155774).

100311542 is an equidigital number, since it uses as much as digits as its factorization.

100311542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50155773.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100311542 is about 10015.5649865597. The cubic root of 100311542 is about 464.6404002872.

Adding to 100311542 its reverse (245113001), we get a palindrome (345424543).

The spelling of 100311542 in words is "one hundred million, three hundred eleven thousand, five hundred forty-two".