131421403210 has 16 divisors (see below), whose sum is σ = 236968516296. Its totient is φ = 52477452288.

The previous prime is 131421403207. The next prime is 131421403231. The reversal of 131421403210 is 12304124131.

It can be written as a sum of positive squares in 4 ways, for example, as 124193512921 + 7227890289 = 352411^2 + 85017^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11382567 + ... + 11394106.

Almost surely, 2^131421403210 is an apocalyptic number.

131421403210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131421403210 is a deficient number, since it is larger than the sum of its proper divisors (105547113086).

131421403210 is a wasteful number, since it uses less digits than its factorization.

131421403210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777257.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131421403210 its reverse (12304124131), we get a palindrome (143725527341).

The spelling of 131421403210 in words is "one hundred thirty-one billion, four hundred twenty-one million, four hundred three thousand, two hundred ten".