31421413103 has 8 divisors (see below), whose sum is σ = 32023302048. Its totient is φ = 30819858784.

The previous prime is 31421413099. The next prime is 31421413151. The reversal of 31421413103 is 30131412413.

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

It is a cyclic number.

It is not a de Polignac number, because 31421413103 - 2² = 31421413099 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 (31421413193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110201 + ... + 273837.

It is an arithmetic number, because the mean of its divisors is an integer number (4002912756).

Almost surely, 2^31421413103 is an apocalyptic number.

31421413103 is a deficient number, since it is larger than the sum of its proper divisors (601888945).

31421413103 is a wasteful number, since it uses less digits than its factorization.

31421413103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167313.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31421413103 its reverse (30131412413), we get a palindrome (61552825516).

The spelling of 31421413103 in words is "thirty-one billion, four hundred twenty-one million, four hundred thirteen thousand, one hundred three".