131213410 has 8 divisors (see below), whose sum is σ = 236184156. Its totient is φ = 52485360.

The previous prime is 131213393. The next prime is 131213417. The reversal of 131213410 is 14312131.

It can be written as a sum of positive squares in 2 ways, for example, as 124746561 + 6466849 = 11169^2 + 2543^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131213417) 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, 6560661 + ... + 6560680.

Almost surely, 2^131213410 is an apocalyptic number.

131213410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131213410 is a deficient number, since it is larger than the sum of its proper divisors (104970746).

131213410 is a wasteful number, since it uses less digits than its factorization.

131213410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121348.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131213410 is about 11454.8422075557. The cubic root of 131213410 is about 508.1509486942.

Adding to 131213410 its reverse (14312131), we get a palindrome (145525541).

The spelling of 131213410 in words is "one hundred thirty-one million, two hundred thirteen thousand, four hundred ten".