3131423412 has 48 divisors (see below), whose sum is σ = 8210832000. Its totient is φ = 921621888.

The previous prime is 3131423381. The next prime is 3131423423. The reversal of 3131423412 is 2143241313.

It is a happy number.

It is a super-3 number, since 3×3131423412³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432787 + ... + 439962.

It is an arithmetic number, because the mean of its divisors is an integer number (171059000).

Almost surely, 2^3131423412 is an apocalyptic number.

It is an amenable number.

3131423412 is an abundant number, since it is smaller than the sum of its proper divisors (5079408588).

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

3131423412 is a wasteful number, since it uses less digits than its factorization.

3131423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872792 (or 872790 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 3131423412 is about 55959.1226879050. The cubic root of 3131423412 is about 1463.0098993164.

Adding to 3131423412 its reverse (2143241313), we get a palindrome (5274664725).

The spelling of 3131423412 in words is "three billion, one hundred thirty-one million, four hundred twenty-three thousand, four hundred twelve".