151311005 has 4 divisors (see below), whose sum is σ = 181573212. Its totient is φ = 121048800.

The previous prime is 151310993. The next prime is 151311007. The reversal of 151311005 is 500113151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500113151 = 12391 ⋅40361.

It can be written as a sum of positive squares in 2 ways, for example, as 108722329 + 42588676 = 10427^2 + 6526^2 .

It is not a de Polignac number, because 151311005 - 2⁶ = 151310941 is a prime.

It is a super-2 number, since 2×151311005² = 45790040468220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151311007) 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, 15131096 + ... + 15131105.

It is an arithmetic number, because the mean of its divisors is an integer number (45393303).

Almost surely, 2^151311005 is an apocalyptic number.

It is an amenable number.

151311005 is a deficient number, since it is larger than the sum of its proper divisors (30262207).

151311005 is an equidigital number, since it uses as much as digits as its factorization.

151311005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30262206.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 151311005 is about 12300.8538321533. The cubic root of 151311005 is about 532.8727418835.

Adding to 151311005 its reverse (500113151), we get a palindrome (651424156).

The spelling of 151311005 in words is "one hundred fifty-one million, three hundred eleven thousand, five".