31434354103 has 4 divisors (see below), whose sum is σ = 31569265728. Its totient is φ = 31299442480.

The previous prime is 31434354079. The next prime is 31434354157. The reversal of 31434354103 is 30145343413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30145343413 = 419 ⋅71945927.

It is a cyclic number.

It is not a de Polignac number, because 31434354103 - 2⁵ = 31434354071 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 (31434304103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67455463 + ... + 67455928.

It is an arithmetic number, because the mean of its divisors is an integer number (7892316432).

Almost surely, 2^31434354103 is an apocalyptic number.

31434354103 is a deficient number, since it is larger than the sum of its proper divisors (134911625).

31434354103 is a wasteful number, since it uses less digits than its factorization.

31434354103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134911624.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 31434354103 its reverse (30145343413), we get a palindrome (61579697516).

The spelling of 31434354103 in words is "thirty-one billion, four hundred thirty-four million, three hundred fifty-four thousand, one hundred three".