151641331 has 2 divisors, whose sum is σ = 151641332. Its totient is φ = 151641330.

The previous prime is 151641251. The next prime is 151641353. The reversal of 151641331 is 133146151.

It is a strong prime.

It is an emirp because it is prime and its reverse (133146151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151641331 is a prime.

It is a super-2 number, since 2×151641331² = 45990186534903122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151641296 and 151641305.

It is not a weakly prime, because it can be changed into another prime (151641131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75820665 + 75820666.

It is an arithmetic number, because the mean of its divisors is an integer number (75820666).

Almost surely, 2^151641331 is an apocalyptic number.

151641331 is a deficient number, since it is larger than the sum of its proper divisors (1).

151641331 is an equidigital number, since it uses as much as digits as its factorization.

151641331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 151641331 is about 12314.2734661855. The cubic root of 151641331 is about 533.2602303015.

Adding to 151641331 its reverse (133146151), we get a palindrome (284787482).

The spelling of 151641331 in words is "one hundred fifty-one million, six hundred forty-one thousand, three hundred thirty-one".