245342402251031 has 2 divisors, whose sum is σ = 245342402251032. Its totient is φ = 245342402251030.

The previous prime is 245342402250997. The next prime is 245342402251057. The reversal of 245342402251031 is 130152204243542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245342402251031 is a prime.

It is a super-2 number, since 2×245342402251031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245342402251231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671201125515 + 122671201125516.

It is an arithmetic number, because the mean of its divisors is an integer number (122671201125516).

Almost surely, 2^{245342402251031} is an apocalyptic number.

245342402251031 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342402251031 is an equidigital number, since it uses as much as digits as its factorization.

245342402251031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 245342402251031 its reverse (130152204243542), we get a palindrome (375494606494573).

The spelling of 245342402251031 in words is "two hundred forty-five trillion, three hundred forty-two billion, four hundred two million, two hundred fifty-one thousand, thirty-one".