233111430157 has 2 divisors, whose sum is σ = 233111430158. Its totient is φ = 233111430156.

The previous prime is 233111430127. The next prime is 233111430229. The reversal of 233111430157 is 751034111332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230770708996 + 2340721161 = 480386^2 + 48381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233111430157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233111430127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116555715078 + 116555715079.

It is an arithmetic number, because the mean of its divisors is an integer number (116555715079).

Almost surely, 2^233111430157 is an apocalyptic number.

It is an amenable number.

233111430157 is a deficient number, since it is larger than the sum of its proper divisors (1).

233111430157 is an equidigital number, since it uses as much as digits as its factorization.

233111430157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 233111430157 its reverse (751034111332), we get a palindrome (984145541489).

The spelling of 233111430157 in words is "two hundred thirty-three billion, one hundred eleven million, four hundred thirty thousand, one hundred fifty-seven".