31430230403 has 8 divisors (see below), whose sum is σ = 36925026096. Its totient is φ = 26375018400.

The previous prime is 31430230399. The next prime is 31430230417. The reversal of 31430230403 is 30403203413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31430230403 - 2² = 31430230399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31430230603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109895768 + ... + 109896053.

It is an arithmetic number, because the mean of its divisors is an integer number (4615628262).

Almost surely, 2^31430230403 is an apocalyptic number.

31430230403 is a deficient number, since it is larger than the sum of its proper divisors (5494795693).

31430230403 is a wasteful number, since it uses less digits than its factorization.

31430230403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219791845.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31430230403 its reverse (30403203413), we get a palindrome (61833433816).

The spelling of 31430230403 in words is "thirty-one billion, four hundred thirty million, two hundred thirty thousand, four hundred three".