204051401231 has 2 divisors, whose sum is σ = 204051401232. Its totient is φ = 204051401230.

The previous prime is 204051401209. The next prime is 204051401263. The reversal of 204051401231 is 132104150402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204051401231 - 2²⁶ = 203984292367 is a prime.

It is a super-2 number, since 2×204051401231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204051401197 and 204051401206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204051401431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102025700615 + 102025700616.

It is an arithmetic number, because the mean of its divisors is an integer number (102025700616).

Almost surely, 2^204051401231 is an apocalyptic number.

204051401231 is a deficient number, since it is larger than the sum of its proper divisors (1).

204051401231 is an equidigital number, since it uses as much as digits as its factorization.

204051401231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 204051401231 its reverse (132104150402), we get a palindrome (336155551633).

The spelling of 204051401231 in words is "two hundred four billion, fifty-one million, four hundred one thousand, two hundred thirty-one".