3131412 has 12 divisors (see below), whose sum is σ = 7306656. Its totient is φ = 1043800.

The previous prime is 3131377. The next prime is 3131419. The reversal of 3131412 is 2141313.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3131412² = 19611482227488, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3131391 and 3131400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131419) 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, 130464 + ... + 130487.

It is an arithmetic number, because the mean of its divisors is an integer number (608888).

Almost surely, 2^3131412 is an apocalyptic number.

It is an amenable number.

3131412 is an abundant number, since it is smaller than the sum of its proper divisors (4175244).

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

3131412 is a wasteful number, since it uses less digits than its factorization.

3131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260958 (or 260956 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 3131412 is about 1769.5796110941. The cubic root of 3131412 is about 146.3008122075.

Adding to 3131412 its reverse (2141313), we get a palindrome (5272725).

Subtracting from 3131412 its reverse (2141313), we obtain a palindrome (990099).

The spelling of 3131412 in words is "three million, one hundred thirty-one thousand, four hundred twelve".