204031401313357 has 2 divisors, whose sum is σ = 204031401313358. Its totient is φ = 204031401313356.

The previous prime is 204031401313321. The next prime is 204031401313361. The reversal of 204031401313357 is 753313104130402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165544403356836 + 38486997956521 = 12866406^2 + 6203789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204031401313357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204031401313387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102015700656678 + 102015700656679.

It is an arithmetic number, because the mean of its divisors is an integer number (102015700656679).

Almost surely, 2^{204031401313357} is an apocalyptic number.

It is an amenable number.

204031401313357 is a deficient number, since it is larger than the sum of its proper divisors (1).

204031401313357 is an equidigital number, since it uses as much as digits as its factorization.

204031401313357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 204031401313357 its reverse (753313104130402), we get a palindrome (957344505443759).

The spelling of 204031401313357 in words is "two hundred four trillion, thirty-one billion, four hundred one million, three hundred thirteen thousand, three hundred fifty-seven".