153400031 has 2 divisors, whose sum is σ = 153400032. Its totient is φ = 153400030.

The previous prime is 153400007. The next prime is 153400141. The reversal of 153400031 is 130004351.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153400031 is a prime.

It is a super-2 number, since 2×153400031² = 47063139021601922, 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 = 153399982 and 153400009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153406031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76700015 + 76700016.

It is an arithmetic number, because the mean of its divisors is an integer number (76700016).

Almost surely, 2^153400031 is an apocalyptic number.

153400031 is a deficient number, since it is larger than the sum of its proper divisors (1).

153400031 is an equidigital number, since it uses as much as digits as its factorization.

153400031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 153400031 is about 12385.4766157787. The cubic root of 153400031 is about 535.3138531697.

Adding to 153400031 its reverse (130004351), we get a palindrome (283404382).

The spelling of 153400031 in words is "one hundred fifty-three million, four hundred thousand, thirty-one".