131406211610 has 8 divisors (see below), whose sum is σ = 236531180916. Its totient is φ = 52562484640.

The previous prime is 131406211603. The next prime is 131406211613. The reversal of 131406211610 is 16112604131.

It can be written as a sum of positive squares in 2 ways, for example, as 127621132081 + 3785079529 = 357241^2 + 61523^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 131406211610.

It is not an unprimeable number, because it can be changed into a prime (131406211613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6570310571 + ... + 6570310590.

Almost surely, 2^131406211610 is an apocalyptic number.

131406211610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131406211610 is a deficient number, since it is larger than the sum of its proper divisors (105124969306).

131406211610 is a wasteful number, since it uses less digits than its factorization.

131406211610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140621168.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 131406211610 its reverse (16112604131), we get a palindrome (147518815741).

The spelling of 131406211610 in words is "one hundred thirty-one billion, four hundred six million, two hundred eleven thousand, six hundred ten".