103831542 has 72 divisors (see below), whose sum is σ = 245935560. Its totient is φ = 31658256.

The previous prime is 103831531. The next prime is 103831573. The reversal of 103831542 is 245138301.

It is a happy number.

It is a super-2 number, since 2×103831542² = 21561978228195528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3580384 + ... + 3580412.

Almost surely, 2^103831542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103831542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122967780).

103831542 is an abundant number, since it is smaller than the sum of its proper divisors (142104018).

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

103831542 is an equidigital number, since it uses as much as digits as its factorization.

103831542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 103831542 is about 10189.7763469077. The cubic root of 103831542 is about 470.0128893402.

Adding to 103831542 its reverse (245138301), we get a palindrome (348969843).

The spelling of 103831542 in words is "one hundred three million, eight hundred thirty-one thousand, five hundred forty-two".