153442031 has 2 divisors, whose sum is σ = 153442032. Its totient is φ = 153442030.

The previous prime is 153442027. The next prime is 153442057. The reversal of 153442031 is 130244351.

It is a weak prime.

It is an emirp because it is prime and its reverse (130244351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153442031 - 2² = 153442027 is a prime.

It is a super-2 number, since 2×153442031² = 47088913754809922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 153441988 and 153442006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153442021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76721015 + 76721016.

It is an arithmetic number, because the mean of its divisors is an integer number (76721016).

Almost surely, 2^153442031 is an apocalyptic number.

153442031 is a deficient number, since it is larger than the sum of its proper divisors (1).

153442031 is an equidigital number, since it uses as much as digits as its factorization.

153442031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 153442031 is about 12387.1720340036. The cubic root of 153442031 is about 535.3627039426.

Adding to 153442031 its reverse (130244351), we get a palindrome (283686382).

The spelling of 153442031 in words is "one hundred fifty-three million, four hundred forty-two thousand, thirty-one".