103111402 has 8 divisors (see below), whose sum is σ = 154712196. Its totient is φ = 51540672.

The previous prime is 103111381. The next prime is 103111403. The reversal of 103111402 is 204111301.

It can be written as a sum of positive squares in 2 ways, for example, as 88906041 + 14205361 = 9429^2 + 3769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×103111402² = 21263922444811208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103111403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5728 + ... + 15460.

Almost surely, 2^103111402 is an apocalyptic number.

103111402 is a deficient number, since it is larger than the sum of its proper divisors (51600794).

103111402 is an equidigital number, since it uses as much as digits as its factorization.

103111402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15032.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 103111402 is about 10154.3784644852. The cubic root of 103111402 is about 468.9237513625.

Adding to 103111402 its reverse (204111301), we get a palindrome (307222703).

The spelling of 103111402 in words is "one hundred three million, one hundred eleven thousand, four hundred two".