31430196097 has 4 divisors (see below), whose sum is σ = 31430612736. Its totient is φ = 31429779460.

The previous prime is 31430196073. The next prime is 31430196163. The reversal of 31430196097 is 79069103413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31430196097 - 2¹⁹ = 31429671809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31430196047) 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, 59929 + ... + 257782.

It is an arithmetic number, because the mean of its divisors is an integer number (7857653184).

Almost surely, 2^31430196097 is an apocalyptic number.

It is an amenable number.

31430196097 is a deficient number, since it is larger than the sum of its proper divisors (416639).

31430196097 is an equidigital number, since it uses as much as digits as its factorization.

31430196097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416638.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 31430196097 in words is "thirty-one billion, four hundred thirty million, one hundred ninety-six thousand, ninety-seven".