131670421246 has 24 divisors (see below), whose sum is σ = 247424640120. Its totient is φ = 52089396912.

The previous prime is 131670421243. The next prime is 131670421261. The reversal of 131670421246 is 642124076131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131670421241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51674716 + ... + 51677263.

It is an arithmetic number, because the mean of its divisors is an integer number (10309360005).

Almost surely, 2^131670421246 is an apocalyptic number.

131670421246 is a deficient number, since it is larger than the sum of its proper divisors (115754218874).

131670421246 is a wasteful number, since it uses less digits than its factorization.

131670421246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103352008 (or 103352001 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 131670421246 its reverse (642124076131), we get a palindrome (773794497377).

The spelling of 131670421246 in words is "one hundred thirty-one billion, six hundred seventy million, four hundred twenty-one thousand, two hundred forty-six".