320106077631 has 8 divisors (see below), whose sum is σ = 474231226160. Its totient is φ = 213404051736.

The previous prime is 320106077597. The next prime is 320106077639. The reversal of 320106077631 is 136770601023.

320106077631 is a `hidden beast` number, since 3 + 2 + 0 + 10 + 6 + 0 + 7 + 7 + 631 = 666.

It is not a de Polignac number, because 320106077631 - 2²² = 320101883327 is a prime.

It is a super-2 number, since 2×320106077631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320106077639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5927890300 + ... + 5927890353.

It is an arithmetic number, because the mean of its divisors is an integer number (59278903270).

Almost surely, 2^320106077631 is an apocalyptic number.

320106077631 is a deficient number, since it is larger than the sum of its proper divisors (154125148529).

320106077631 is a wasteful number, since it uses less digits than its factorization.

320106077631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855780662 (or 11855780656 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

Adding to 320106077631 its reverse (136770601023), we get a palindrome (456876678654).

The spelling of 320106077631 in words is "three hundred twenty billion, one hundred six million, seventy-seven thousand, six hundred thirty-one".