202421131007 has 2 divisors, whose sum is σ = 202421131008. Its totient is φ = 202421131006.

The previous prime is 202421130991. The next prime is 202421131013. The reversal of 202421131007 is 700131124202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202421131007 - 2⁴ = 202421130991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202421131067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101210565503 + 101210565504.

It is an arithmetic number, because the mean of its divisors is an integer number (101210565504).

Almost surely, 2^202421131007 is an apocalyptic number.

202421131007 is a deficient number, since it is larger than the sum of its proper divisors (1).

202421131007 is an equidigital number, since it uses as much as digits as its factorization.

202421131007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 202421131007 its reverse (700131124202), we get a palindrome (902552255209).

The spelling of 202421131007 in words is "two hundred two billion, four hundred twenty-one million, one hundred thirty-one thousand, seven".