151740031 has 2 divisors, whose sum is σ = 151740032. Its totient is φ = 151740030.

The previous prime is 151739983. The next prime is 151740049. The reversal of 151740031 is 130047151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151740031 - 2¹¹ = 151737983 is a prime.

It is a super-2 number, since 2×151740031² = 46050074015761922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151739984 and 151740011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151740091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75870015 + 75870016.

It is an arithmetic number, because the mean of its divisors is an integer number (75870016).

Almost surely, 2^151740031 is an apocalyptic number.

151740031 is a deficient number, since it is larger than the sum of its proper divisors (1).

151740031 is an equidigital number, since it uses as much as digits as its factorization.

151740031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 151740031 is about 12318.2803588813. The cubic root of 151740031 is about 533.3759009861.

Adding to 151740031 its reverse (130047151), we get a palindrome (281787182).

The spelling of 151740031 in words is "one hundred fifty-one million, seven hundred forty thousand, thirty-one".