31434031403 has 4 divisors (see below), whose sum is σ = 32448032448. Its totient is φ = 30420030360.

The previous prime is 31434031379. The next prime is 31434031417. The reversal of 31434031403 is 30413043413.

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: 30413043413 = 5209 ⋅5838557.

It is a cyclic number.

It is not a de Polignac number, because 31434031403 - 2¹⁶ = 31433965867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31434031423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507000476 + ... + 507000537.

It is an arithmetic number, because the mean of its divisors is an integer number (8112008112).

Almost surely, 2^31434031403 is an apocalyptic number.

31434031403 is a deficient number, since it is larger than the sum of its proper divisors (1014001045).

31434031403 is a wasteful number, since it uses less digits than its factorization.

31434031403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014001044.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31434031403 its reverse (30413043413), we get a palindrome (61847074816).

The spelling of 31434031403 in words is "thirty-one billion, four hundred thirty-four million, thirty-one thousand, four hundred three".