31403120606 has 32 divisors (see below), whose sum is σ = 55484448768. Its totient is φ = 13141686240.

The previous prime is 31403120603. The next prime is 31403120627. The reversal of 31403120606 is 60602130413.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403120603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33806 + ... + 252881.

It is an arithmetic number, because the mean of its divisors is an integer number (1733889024).

Almost surely, 2^31403120606 is an apocalyptic number.

31403120606 is a deficient number, since it is larger than the sum of its proper divisors (24081328162).

31403120606 is a wasteful number, since it uses less digits than its factorization.

31403120606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287096.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 31403120606 in words is "thirty-one billion, four hundred three million, one hundred twenty thousand, six hundred six".