131016343625 has 8 divisors (see below), whose sum is σ = 163508397000. Its totient is φ = 104813074800.

The previous prime is 131016343607. The next prime is 131016343639. The reversal of 131016343625 is 526343610131.

It can be written as a sum of positive squares in 4 ways, for example, as 8485541689 + 122530801936 = 92117^2 + 350044^2 .

It is not a de Polignac number, because 131016343625 - 2⁸ = 131016343369 is a prime.

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, 524065250 + ... + 524065499.

It is an arithmetic number, because the mean of its divisors is an integer number (20438549625).

Almost surely, 2^131016343625 is an apocalyptic number.

It is an amenable number.

131016343625 is a deficient number, since it is larger than the sum of its proper divisors (32492053375).

131016343625 is an equidigital number, since it uses as much as digits as its factorization.

131016343625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048130764 (or 1048130754 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 131016343625 its reverse (526343610131), we get a palindrome (657359953756).

The spelling of 131016343625 in words is "one hundred thirty-one billion, sixteen million, three hundred forty-three thousand, six hundred twenty-five".