131670421235 has 16 divisors (see below), whose sum is σ = 158418136800. Its totient is φ = 105060791040.

The previous prime is 131670421193. The next prime is 131670421241. The reversal of 131670421235 is 532124076131.

It is not a de Polignac number, because 131670421235 - 2⁸ = 131670420979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131670421195 and 131670421204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5688716 + ... + 5711814.

It is an arithmetic number, because the mean of its divisors is an integer number (9901133550).

Almost surely, 2^131670421235 is an apocalyptic number.

131670421235 is a deficient number, since it is larger than the sum of its proper divisors (26747715565).

131670421235 is a wasteful number, since it uses less digits than its factorization.

131670421235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26038.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 131670421235 its reverse (532124076131), we get a palindrome (663794497366).

The spelling of 131670421235 in words is "one hundred thirty-one billion, six hundred seventy million, four hundred twenty-one thousand, two hundred thirty-five".