131210121302 has 32 divisors (see below), whose sum is σ = 223149427200. Its totient is φ = 57361173408.

The previous prime is 131210121253. The next prime is 131210121313. The reversal of 131210121302 is 203121012131.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3269603 + ... + 3309489.

It is an arithmetic number, because the mean of its divisors is an integer number (6973419600).

Almost surely, 2^131210121302 is an apocalyptic number.

131210121302 is a deficient number, since it is larger than the sum of its proper divisors (91939305898).

131210121302 is a wasteful number, since it uses less digits than its factorization.

131210121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46580.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131210121302 its reverse (203121012131), we get a palindrome (334331133433).

The spelling of 131210121302 in words is "one hundred thirty-one billion, two hundred ten million, one hundred twenty-one thousand, three hundred two".