241431021 has 24 divisors (see below), whose sum is σ = 376128480. Its totient is φ = 148347936.

The previous prime is 241431017. The next prime is 241431037. The reversal of 241431021 is 120134142.

It is not a de Polignac number, because 241431021 - 2² = 241431017 is a prime.

It is a super-2 number, since 2×241431021² = 116577875802204882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 241430985 and 241431003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241431011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109710 + ... + 111888.

It is an arithmetic number, because the mean of its divisors is an integer number (15672020).

Almost surely, 2^241431021 is an apocalyptic number.

It is an amenable number.

241431021 is a deficient number, since it is larger than the sum of its proper divisors (134697459).

241431021 is a wasteful number, since it uses less digits than its factorization.

241431021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145 (or 3142 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 241431021 is about 15538.0507464740. The cubic root of 241431021 is about 622.6791974543.

Adding to 241431021 its reverse (120134142), we get a palindrome (361565163).

The spelling of 241431021 in words is "two hundred forty-one million, four hundred thirty-one thousand, twenty-one".