131043214023409 has 2 divisors, whose sum is σ = 131043214023410. Its totient is φ = 131043214023408.

The previous prime is 131043214023383. The next prime is 131043214023419. The reversal of 131043214023409 is 904320412340131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87264612451809 + 43778601571600 = 9341553^2 + 6616540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131043214023409 is a prime.

It is not a weakly prime, because it can be changed into another prime (131043214023419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65521607011704 + 65521607011705.

It is an arithmetic number, because the mean of its divisors is an integer number (65521607011705).

Almost surely, 2^{131043214023409} is an apocalyptic number.

It is an amenable number.

131043214023409 is a deficient number, since it is larger than the sum of its proper divisors (1).

131043214023409 is an equidigital number, since it uses as much as digits as its factorization.

131043214023409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 131043214023409 in words is "one hundred thirty-one trillion, forty-three billion, two hundred fourteen million, twenty-three thousand, four hundred nine".