31134422403 has 12 divisors (see below), whose sum is σ = 51396506928. Its totient is φ = 17791098480.

The previous prime is 31134422399. The next prime is 31134422461. The reversal of 31134422403 is 30422443113.

31134422403 is a `hidden beast` number, since 311 + 344 + 2 + 2 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 31134422403 - 2² = 31134422399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31134422303) 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 11 ways as a sum of consecutive naturals, for example, 247098528 + ... + 247098653.

It is an arithmetic number, because the mean of its divisors is an integer number (4283042244).

Almost surely, 2^31134422403 is an apocalyptic number.

31134422403 is a deficient number, since it is larger than the sum of its proper divisors (20262084525).

31134422403 is a wasteful number, since it uses less digits than its factorization.

31134422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494197194 (or 494197191 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31134422403 its reverse (30422443113), we get a palindrome (61556865516).

The spelling of 31134422403 in words is "thirty-one billion, one hundred thirty-four million, four hundred twenty-two thousand, four hundred three".