103402331 has 4 divisors (see below), whose sum is σ = 103422672. Its totient is φ = 103381992.

The previous prime is 103402307. The next prime is 103402357. The reversal of 103402331 is 133204301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133204301 = 1217 ⋅109453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103402331 is a prime.

It is a super-2 number, since 2×103402331² = 21384084112467122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103402301) 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, 4841 + ... + 15173.

It is an arithmetic number, because the mean of its divisors is an integer number (25855668).

Almost surely, 2^103402331 is an apocalyptic number.

103402331 is a deficient number, since it is larger than the sum of its proper divisors (20341).

103402331 is a wasteful number, since it uses less digits than its factorization.

103402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20340.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103402331 is about 10168.6936722472. The cubic root of 103402331 is about 469.3643602889.

Adding to 103402331 its reverse (133204301), we get a palindrome (236606632).

The spelling of 103402331 in words is "one hundred three million, four hundred two thousand, three hundred thirty-one".