31072323476 has 12 divisors (see below), whose sum is σ = 54379041108. Its totient is φ = 15535454592.

The previous prime is 31072323473. The next prime is 31072323521. The reversal of 31072323476 is 67432327013.

It can be written as a sum of positive squares in 2 ways, for example, as 12159472900 + 18912850576 = 110270^2 + 137524^2 .

It is a super-3 number, since 3×31072323476³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31072323473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70871 + ... + 259166.

It is an arithmetic number, because the mean of its divisors is an integer number (4531586759).

Almost surely, 2^31072323476 is an apocalyptic number.

It is an amenable number.

31072323476 is a deficient number, since it is larger than the sum of its proper divisors (23306717632).

31072323476 is a wasteful number, since it uses less digits than its factorization.

31072323476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353578 (or 353576 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 31072323476 in words is "thirty-one billion, seventy-two million, three hundred twenty-three thousand, four hundred seventy-six".