31216030069 has 32 divisors (see below), whose sum is σ = 37854777600. Its totient is φ = 25145303040.

The previous prime is 31216030063. The next prime is 31216030117. The reversal of 31216030069 is 96003061213.

It is a cyclic number.

It is not a de Polignac number, because 31216030069 - 2³ = 31216030061 is a prime.

It is a super-2 number, since 2×31216030069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31216030069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31216030061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22154037 + ... + 22155445.

It is an arithmetic number, because the mean of its divisors is an integer number (1182961800).

Almost surely, 2^31216030069 is an apocalyptic number.

It is an amenable number.

31216030069 is a deficient number, since it is larger than the sum of its proper divisors (6638747531).

31216030069 is a wasteful number, since it uses less digits than its factorization.

31216030069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 31216030069 in words is "thirty-one billion, two hundred sixteen million, thirty thousand, sixty-nine".