231373426433 has 2 divisors, whose sum is σ = 231373426434. Its totient is φ = 231373426432.

The previous prime is 231373426409. The next prime is 231373426457. The reversal of 231373426433 is 334624373132.

It is a balanced prime because it is at equal distance from previous prime (231373426409) and next prime (231373426457).

It can be written as a sum of positive squares in only one way, i.e., 175588655089 + 55784771344 = 419033^2 + 236188^2 .

It is a cyclic number.

It is not a de Polignac number, because 231373426433 - 2³⁰ = 230299684609 is a prime.

It is not a weakly prime, because it can be changed into another prime (231373426133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115686713216 + 115686713217.

It is an arithmetic number, because the mean of its divisors is an integer number (115686713217).

Almost surely, 2^231373426433 is an apocalyptic number.

It is an amenable number.

231373426433 is a deficient number, since it is larger than the sum of its proper divisors (1).

231373426433 is an equidigital number, since it uses as much as digits as its factorization.

231373426433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 41.

Adding to 231373426433 its reverse (334624373132), we get a palindrome (565997799565).

The spelling of 231373426433 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred twenty-six thousand, four hundred thirty-three".