31112140326 has 8 divisors (see below), whose sum is σ = 62224280664. Its totient is φ = 10370713440.

The previous prime is 31112140303. The next prime is 31112140327. The reversal of 31112140326 is 62304121113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

31112140326 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31112140296 and 31112140305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112140327) 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, 2592678355 + ... + 2592678366.

It is an arithmetic number, because the mean of its divisors is an integer number (7778035083).

Almost surely, 2^31112140326 is an apocalyptic number.

31112140326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112140326 is a wasteful number, since it uses less digits than its factorization.

31112140326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185356726.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31112140326 its reverse (62304121113), we get a palindrome (93416261439).

The spelling of 31112140326 in words is "thirty-one billion, one hundred twelve million, one hundred forty thousand, three hundred twenty-six".