154023309331 has 4 divisors (see below), whose sum is σ = 156133217752. Its totient is φ = 151913400912.

The previous prime is 154023309317. The next prime is 154023309347. The reversal of 154023309331 is 133903320451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133903320451 = 97151 ⋅1378301.

It is a cyclic number.

It is not a de Polignac number, because 154023309331 - 2⁵ = 154023309299 is a prime.

It is a super-2 number, since 2×154023309331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154023301331) 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, 1054954101 + ... + 1054954246.

It is an arithmetic number, because the mean of its divisors is an integer number (39033304438).

Almost surely, 2^154023309331 is an apocalyptic number.

154023309331 is a deficient number, since it is larger than the sum of its proper divisors (2109908421).

154023309331 is an equidigital number, since it uses as much as digits as its factorization.

154023309331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109908420.

The product of its (nonzero) digits is 29160, while the sum is 34.

Adding to 154023309331 its reverse (133903320451), we get a palindrome (287926629782).

The spelling of 154023309331 in words is "one hundred fifty-four billion, twenty-three million, three hundred nine thousand, three hundred thirty-one".