31342103 has 4 divisors (see below), whose sum is σ = 33753048. Its totient is φ = 28931160.

The previous prime is 31342097. The next prime is 31342121. The reversal of 31342103 is 30124313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31342103 - 2¹² = 31338007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342183) 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, 1205453 + ... + 1205478.

It is an arithmetic number, because the mean of its divisors is an integer number (8438262).

Almost surely, 2^31342103 is an apocalyptic number.

31342103 is a deficient number, since it is larger than the sum of its proper divisors (2410945).

31342103 is a wasteful number, since it uses less digits than its factorization.

31342103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410944.

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

The square root of 31342103 is about 5598.4018255213. The cubic root of 31342103 is about 315.2894056494.

Adding to 31342103 its reverse (30124313), we get a palindrome (61466416).

The spelling of 31342103 in words is "thirty-one million, three hundred forty-two thousand, one hundred three".