153871231 has 2 divisors, whose sum is σ = 153871232. Its totient is φ = 153871230.

The previous prime is 153871229. The next prime is 153871261. The reversal of 153871231 is 132178351.

It is a weak prime.

It is an emirp because it is prime and its reverse (132178351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153871231 - 2¹ = 153871229 is a prime.

It is a super-2 number, since 2×153871231² = 47352711458910722, which contains 22 as substring.

Together with 153871229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 153871193 and 153871202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153871261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76935615 + 76935616.

It is an arithmetic number, because the mean of its divisors is an integer number (76935616).

Almost surely, 2^153871231 is an apocalyptic number.

153871231 is a deficient number, since it is larger than the sum of its proper divisors (1).

153871231 is an equidigital number, since it uses as much as digits as its factorization.

153871231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 153871231 is about 12404.4843101195. The cubic root of 153871231 is about 535.8614020777.

The spelling of 153871231 in words is "one hundred fifty-three million, eight hundred seventy-one thousand, two hundred thirty-one".