153240031 has 8 divisors (see below), whose sum is σ = 181170720. Its totient is φ = 126819168.

The previous prime is 153240011. The next prime is 153240041. The reversal of 153240031 is 130042351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-153240031 is a prime.

It is a super-2 number, since 2×153240031² = 46965014201761922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153239990 and 153240008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153240011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377236 + ... + 377641.

It is an arithmetic number, because the mean of its divisors is an integer number (22646340).

Almost surely, 2^153240031 is an apocalyptic number.

153240031 is a deficient number, since it is larger than the sum of its proper divisors (27930689).

153240031 is an equidigital number, since it uses as much as digits as its factorization.

153240031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754913.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 153240031 is about 12379.0157524740. The cubic root of 153240031 is about 535.1276732590.

Adding to 153240031 its reverse (130042351), we get a palindrome (283282382).

The spelling of 153240031 in words is "one hundred fifty-three million, two hundred forty thousand, thirty-one".