31243414312 has 32 divisors (see below), whose sum is σ = 65266715520. Its totient is φ = 13899389440.

The previous prime is 31243414297. The next prime is 31243414327. The reversal of 31243414312 is 21341434213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31243414297) and next prime (31243414327).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3772873 + ... + 3781144.

It is an arithmetic number, because the mean of its divisors is an integer number (2039584860).

Almost surely, 2^31243414312 is an apocalyptic number.

It is an amenable number.

31243414312 is an abundant number, since it is smaller than the sum of its proper divisors (34023301208).

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

31243414312 is a wasteful number, since it uses less digits than its factorization.

31243414312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554081 (or 7554077 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 31243414312 its reverse (21341434213), we get a palindrome (52584848525).

The spelling of 31243414312 in words is "thirty-one billion, two hundred forty-three million, four hundred fourteen thousand, three hundred twelve".