151333013 has 4 divisors (see below), whose sum is σ = 162974028. Its totient is φ = 139692000.

The previous prime is 151333003. The next prime is 151333033. The reversal of 151333013 is 310333151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310333151 = 47 ⋅6602833.

It can be written as a sum of positive squares in 2 ways, for example, as 36264484 + 115068529 = 6022^2 + 10727^2 .

It is a cyclic number.

It is not a de Polignac number, because 151333013 - 2⁸ = 151332757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151333003) 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, 5820488 + ... + 5820513.

It is an arithmetic number, because the mean of its divisors is an integer number (40743507).

Almost surely, 2^151333013 is an apocalyptic number.

151333013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

151333013 is a deficient number, since it is larger than the sum of its proper divisors (11641015).

151333013 is a wasteful number, since it uses less digits than its factorization.

151333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641014.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 151333013 is about 12301.7483716747. The cubic root of 151333013 is about 532.8985758599.

Adding to 151333013 its reverse (310333151), we get a palindrome (461666164).

The spelling of 151333013 in words is "one hundred fifty-one million, three hundred thirty-three thousand, thirteen".