31413544103 has 4 divisors (see below), whose sum is σ = 31414390728. Its totient is φ = 31412697480.

The previous prime is 31413544067. The next prime is 31413544133. The reversal of 31413544103 is 30144531413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30144531413 = 79 ⋅381576347.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31413544103 is a prime.

It is a super-2 number, since 2×31413544103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413544133) 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, 364976 + ... + 442757.

It is an arithmetic number, because the mean of its divisors is an integer number (7853597682).

Almost surely, 2^31413544103 is an apocalyptic number.

31413544103 is a deficient number, since it is larger than the sum of its proper divisors (846625).

31413544103 is an equidigital number, since it uses as much as digits as its factorization.

31413544103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846624.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 31413544103 in words is "thirty-one billion, four hundred thirteen million, five hundred forty-four thousand, one hundred three".