240202031 has 2 divisors, whose sum is σ = 240202032. Its totient is φ = 240202030.

The previous prime is 240202021. The next prime is 240202033. The reversal of 240202031 is 130202042.

240202031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240202031 - 2⁶ = 240201967 is a prime.

It is a super-2 number, since 2×240202031² = 115394031393049922, which contains 22 as substring.

Together with 240202033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 240201997 and 240202015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240202033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120101015 + 120101016.

It is an arithmetic number, because the mean of its divisors is an integer number (120101016).

Almost surely, 2^240202031 is an apocalyptic number.

240202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

240202031 is an equidigital number, since it uses as much as digits as its factorization.

240202031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 240202031 is about 15498.4525356566. The cubic root of 240202031 is about 621.6208293088.

Adding to 240202031 its reverse (130202042), we get a palindrome (370404073).

The spelling of 240202031 in words is "two hundred forty million, two hundred two thousand, thirty-one".