201488431 has 2 divisors, whose sum is σ = 201488432. Its totient is φ = 201488430.

The previous prime is 201488401. The next prime is 201488449. The reversal of 201488431 is 134884102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201488431 - 2²⁵ = 167933999 is a prime.

It is a super-2 number, since 2×201488431² = 81195175653683522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201488393 and 201488402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201488401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100744215 + 100744216.

It is an arithmetic number, because the mean of its divisors is an integer number (100744216).

Almost surely, 2^201488431 is an apocalyptic number.

201488431 is a deficient number, since it is larger than the sum of its proper divisors (1).

201488431 is an equidigital number, since it uses as much as digits as its factorization.

201488431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 201488431 is about 14194.6620600844. The cubic root of 201488431 is about 586.2506964711.

The spelling of 201488431 in words is "two hundred one million, four hundred eighty-eight thousand, four hundred thirty-one".