13143131412 has 24 divisors (see below), whose sum is σ = 31724800800. Its totient is φ = 4229973216.

The previous prime is 13143131389. The next prime is 13143131429. The reversal of 13143131412 is 21413134131.

It is a happy number.

It is a super-2 number, since 2×13143131412² (a number of 21 digits) contains 22 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 7 ways as a sum of consecutive naturals, for example, 18883462 + ... + 18884157.

It is an arithmetic number, because the mean of its divisors is an integer number (1321866700).

Almost surely, 2^13143131412 is an apocalyptic number.

13143131412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13143131412 is an abundant number, since it is smaller than the sum of its proper divisors (18581669388).

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

13143131412 is a wasteful number, since it uses less digits than its factorization.

13143131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37767655 (or 37767653 counting only the distinct ones).

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

Adding to 13143131412 its reverse (21413134131), we get a palindrome (34556265543).

The spelling of 13143131412 in words is "thirteen billion, one hundred forty-three million, one hundred thirty-one thousand, four hundred twelve".