133044440331 has 16 divisors (see below), whose sum is σ = 197636617728. Its totient is φ = 78917397600.

The previous prime is 133044440329. The next prime is 133044440377.

133044440331 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 133044440331 - 2¹ = 133044440329 is a prime.

It is a super-2 number, since 2×133044440331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133044440311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42888340 + ... + 42891441.

It is an arithmetic number, because the mean of its divisors is an integer number (12352288608).

Almost surely, 2^133044440331 is an apocalyptic number.

133044440331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133044440331 is a deficient number, since it is larger than the sum of its proper divisors (64592177397).

133044440331 is a wasteful number, since it uses less digits than its factorization.

133044440331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85779842.

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 133044 and 440331, that added together give a palindrome (573375).

The spelling of 133044440331 in words is "one hundred thirty-three billion, forty-four million, four hundred forty thousand, three hundred thirty-one".