153131401 has 4 divisors (see below), whose sum is σ = 159789312. Its totient is φ = 146473492.

The previous prime is 153131389. The next prime is 153131423. The reversal of 153131401 is 104131351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104131351 = 1693 ⋅61507.

It is a cyclic number.

It is not a de Polignac number, because 153131401 - 2⁵ = 153131369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153131441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328921 + ... + 3328966.

It is an arithmetic number, because the mean of its divisors is an integer number (39947328).

Almost surely, 2^153131401 is an apocalyptic number.

It is an amenable number.

153131401 is a deficient number, since it is larger than the sum of its proper divisors (6657911).

153131401 is an equidigital number, since it uses as much as digits as its factorization.

153131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657910.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 153131401 is about 12374.6273075192. The cubic root of 153131401 is about 535.0011948615.

Adding to 153131401 its reverse (104131351), we get a palindrome (257262752).

Subtracting from 153131401 its reverse (104131351), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 153131401 in words is "one hundred fifty-three million, one hundred thirty-one thousand, four hundred one".