154200216126331 has 4 divisors (see below), whose sum is σ = 154200272267272. Its totient is φ = 154200159985392.

The previous prime is 154200216126329. The next prime is 154200216126349. The reversal of 154200216126331 is 133621612002451.

154200216126331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154200216126331 - 2¹ = 154200216126329 is a prime.

It is a super-2 number, since 2×154200216126331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154200216106331) 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, 23726385 + ... + 29518498.

It is an arithmetic number, because the mean of its divisors is an integer number (38550068066818).

Almost surely, 2^{154200216126331} is an apocalyptic number.

154200216126331 is a deficient number, since it is larger than the sum of its proper divisors (56140941).

154200216126331 is an equidigital number, since it uses as much as digits as its factorization.

154200216126331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56140940.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 154200216126331 its reverse (133621612002451), we get a palindrome (287821828128782).

The spelling of 154200216126331 in words is "one hundred fifty-four trillion, two hundred billion, two hundred sixteen million, one hundred twenty-six thousand, three hundred thirty-one".