31413103 has 2 divisors, whose sum is σ = 31413104. Its totient is φ = 31413102.

The previous prime is 31413097. The next prime is 31413131. The reversal of 31413103 is 30131413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31413103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31413133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706551 + 15706552.

It is an arithmetic number, because the mean of its divisors is an integer number (15706552).

Almost surely, 2^31413103 is an apocalyptic number.

31413103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31413103 is an equidigital number, since it uses as much as digits as its factorization.

31413103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 31413103 is about 5604.7393338138. The cubic root of 31413103 is about 315.5273035929.

Adding to 31413103 its reverse (30131413), we get a palindrome (61544516).

The spelling of 31413103 in words is "thirty-one million, four hundred thirteen thousand, one hundred three".