31420201430 has 16 divisors (see below), whose sum is σ = 56644331184. Its totient is φ = 12548532000.

The previous prime is 31420201387. The next prime is 31420201453. The reversal of 31420201430 is 3410202413.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2436821 + ... + 2449680.

It is an arithmetic number, because the mean of its divisors is an integer number (3540270699).

Almost surely, 2^31420201430 is an apocalyptic number.

31420201430 is a deficient number, since it is larger than the sum of its proper divisors (25224129754).

31420201430 is a wasteful number, since it uses less digits than its factorization.

31420201430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887151.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31420201430 its reverse (3410202413), we get a palindrome (34830403843).

The spelling of 31420201430 in words is "thirty-one billion, four hundred twenty million, two hundred one thousand, four hundred thirty".