31413223103 has 4 divisors (see below), whose sum is σ = 32081589600. Its totient is φ = 30744856608.

The previous prime is 31413223091. The next prime is 31413223151. The reversal of 31413223103 is 30132231413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31413223103 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 (31413223703) 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, 334183178 + ... + 334183271.

It is an arithmetic number, because the mean of its divisors is an integer number (8020397400).

Almost surely, 2^31413223103 is an apocalyptic number.

31413223103 is a deficient number, since it is larger than the sum of its proper divisors (668366497).

31413223103 is an equidigital number, since it uses as much as digits as its factorization.

31413223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668366496.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31413223103 its reverse (30132231413), we get a palindrome (61545454516).

The spelling of 31413223103 in words is "thirty-one billion, four hundred thirteen million, two hundred twenty-three thousand, one hundred three".