231261131141433 has 24 divisors (see below), whose sum is σ = 338113284189408. Its totient is φ = 152296382189952.

The previous prime is 231261131141429. The next prime is 231261131141437. The reversal of 231261131141433 is 334141131162132.

231261131141433 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 611 + 3 + 1 + 1 + 4 + 1 + 4 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (231261131141429) and next prime (231261131141437).

It is not a de Polignac number, because 231261131141433 - 2² = 231261131141429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231261131141437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14872960 + ... + 26148177.

It is an arithmetic number, because the mean of its divisors is an integer number (14088053507892).

Almost surely, 2^{231261131141433} is an apocalyptic number.

It is an amenable number.

231261131141433 is a deficient number, since it is larger than the sum of its proper divisors (106852153047975).

231261131141433 is a wasteful number, since it uses less digits than its factorization.

231261131141433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41028773 (or 41028770 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The spelling of 231261131141433 in words is "two hundred thirty-one trillion, two hundred sixty-one billion, one hundred thirty-one million, one hundred forty-one thousand, four hundred thirty-three".