242023531513 has 2 divisors, whose sum is σ = 242023531514. Its totient is φ = 242023531512.

The previous prime is 242023531459. The next prime is 242023531567. The reversal of 242023531513 is 315135320242.

It is a balanced prime because it is at equal distance from previous prime (242023531459) and next prime (242023531567).

It can be written as a sum of positive squares in only one way, i.e., 241824947049 + 198584464 = 491757^2 + 14092^2 .

It is a cyclic number.

It is not a de Polignac number, because 242023531513 - 2¹⁷ = 242023400441 is a prime.

It is not a weakly prime, because it can be changed into another prime (242023531613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121011765756 + 121011765757.

It is an arithmetic number, because the mean of its divisors is an integer number (121011765757).

Almost surely, 2^242023531513 is an apocalyptic number.

It is an amenable number.

242023531513 is a deficient number, since it is larger than the sum of its proper divisors (1).

242023531513 is an equidigital number, since it uses as much as digits as its factorization.

242023531513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 242023531513 its reverse (315135320242), we get a palindrome (557158851755).

The spelling of 242023531513 in words is "two hundred forty-two billion, twenty-three million, five hundred thirty-one thousand, five hundred thirteen".