601402031 has 2 divisors, whose sum is σ = 601402032. Its totient is φ = 601402030.

The previous prime is 601401991. The next prime is 601402051. The reversal of 601402031 is 130204106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 601402031 - 2¹⁸ = 601139887 is a prime.

It is a super-2 number, since 2×601402031² = 723368805781849922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601402051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300701015 + 300701016.

It is an arithmetic number, because the mean of its divisors is an integer number (300701016).

Almost surely, 2^601402031 is an apocalyptic number.

601402031 is a deficient number, since it is larger than the sum of its proper divisors (1).

601402031 is an equidigital number, since it uses as much as digits as its factorization.

601402031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 601402031 is about 24523.4995667421. The cubic root of 601402031 is about 844.0891091162.

Adding to 601402031 its reverse (130204106), we get a palindrome (731606137).

The spelling of 601402031 in words is "six hundred one million, four hundred two thousand, thirty-one".