31464695009 has 4 divisors (see below), whose sum is σ = 34325121840. Its totient is φ = 28604268180.

The previous prime is 31464694997. The next prime is 31464695029. The reversal of 31464695009 is 90059646413.

It is a happy number.

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 31464695009 - 2¹⁶ = 31464629473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31464695029) 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, 1430213399 + ... + 1430213420.

It is an arithmetic number, because the mean of its divisors is an integer number (8581280460).

Almost surely, 2^31464695009 is an apocalyptic number.

It is an amenable number.

31464695009 is a deficient number, since it is larger than the sum of its proper divisors (2860426831).

31464695009 is a wasteful number, since it uses less digits than its factorization.

31464695009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860426830.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 31464695009 in words is "thirty-one billion, four hundred sixty-four million, six hundred ninety-five thousand, nine".