331154545451133 has 4 divisors (see below), whose sum is σ = 441539393934848. Its totient is φ = 220769696967420.

The previous prime is 331154545451099. The next prime is 331154545451153.

It is a happy number.

331154545451133 is nontrivially palindromic in base 10.

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.

It is not a de Polignac number, because 331154545451133 - 2²¹ = 331154543353981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331154545451153) 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, 55192424241853 + ... + 55192424241858.

It is an arithmetic number, because the mean of its divisors is an integer number (110384848483712).

Almost surely, 2^{331154545451133} is an apocalyptic number.

It is an amenable number.

331154545451133 is a deficient number, since it is larger than the sum of its proper divisors (110384848483715).

331154545451133 is a wasteful number, since it uses less digits than its factorization.

331154545451133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110384848483714.

The product of its digits is 3240000, while the sum is 48.

The spelling of 331154545451133 in words is "three hundred thirty-one trillion, one hundred fifty-four billion, five hundred forty-five million, four hundred fifty-one thousand, one hundred thirty-three".