231553533142339 has 2 divisors, whose sum is σ = 231553533142340. Its totient is φ = 231553533142338.

The previous prime is 231553533142319. The next prime is 231553533142363. The reversal of 231553533142339 is 933241335355132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231553533142339 - 2⁴⁷ = 90816044787011 is a prime.

It is not a weakly prime, because it can be changed into another prime (231553533142319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115776766571169 + 115776766571170.

It is an arithmetic number, because the mean of its divisors is an integer number (115776766571170).

Almost surely, 2^{231553533142339} is an apocalyptic number.

231553533142339 is a deficient number, since it is larger than the sum of its proper divisors (1).

231553533142339 is an equidigital number, since it uses as much as digits as its factorization.

231553533142339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122000, while the sum is 52.

The spelling of 231553533142339 in words is "two hundred thirty-one trillion, five hundred fifty-three billion, five hundred thirty-three million, one hundred forty-two thousand, three hundred thirty-nine".