151001331 has 12 divisors (see below), whose sum is σ = 218014488. Its totient is φ = 92923584.

The previous prime is 151001321. The next prime is 151001351. The reversal of 151001331 is 133100151.

It is not a de Polignac number, because 151001331 - 2⁵ = 151001299 is a prime.

It is a super-2 number, since 2×151001331² = 45602803927543122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151001331.

It is not an unprimeable number, because it can be changed into a prime (151001321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148410 + ... + 149423.

It is an arithmetic number, because the mean of its divisors is an integer number (18167874).

Almost surely, 2^151001331 is an apocalyptic number.

151001331 is a deficient number, since it is larger than the sum of its proper divisors (67013157).

151001331 is a wasteful number, since it uses less digits than its factorization.

151001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297862 (or 297849 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 151001331 is about 12288.2598849471. The cubic root of 151001331 is about 532.5089667647.

Adding to 151001331 its reverse (133100151), we get a palindrome (284101482).

The spelling of 151001331 in words is "one hundred fifty-one million, one thousand, three hundred thirty-one".