31268465669 has 16 divisors (see below), whose sum is σ = 36107151360. Its totient is φ = 26522985600.

The previous prime is 31268465663. The next prime is 31268465689. The reversal of 31268465669 is 96656486213.

It is a cyclic number.

It is not a de Polignac number, because 31268465669 - 2³² = 26973498373 is a prime.

It is a super-2 number, since 2×31268465669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31268465663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573097 + ... + 1592849.

It is an arithmetic number, because the mean of its divisors is an integer number (2256696960).

Almost surely, 2^31268465669 is an apocalyptic number.

It is an amenable number.

31268465669 is a deficient number, since it is larger than the sum of its proper divisors (4838685691).

31268465669 is a wasteful number, since it uses less digits than its factorization.

31268465669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22100.

The product of its digits is 11197440, while the sum is 56.

The spelling of 31268465669 in words is "thirty-one billion, two hundred sixty-eight million, four hundred sixty-five thousand, six hundred sixty-nine".