147427031 has 2 divisors, whose sum is σ = 147427032. Its totient is φ = 147427030.

The previous prime is 147426991. The next prime is 147427051. The reversal of 147427031 is 130724741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147427031 - 2¹⁸ = 147164887 is a prime.

It is a super-2 number, since 2×147427031² = 43469458938949922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147426985 and 147427003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147427051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73713515 + 73713516.

It is an arithmetic number, because the mean of its divisors is an integer number (73713516).

Almost surely, 2^147427031 is an apocalyptic number.

147427031 is a deficient number, since it is larger than the sum of its proper divisors (1).

147427031 is an equidigital number, since it uses as much as digits as its factorization.

147427031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 147427031 is about 12141.9533436758. The cubic root of 147427031 is about 528.2737606495.

The spelling of 147427031 in words is "one hundred forty-seven million, four hundred twenty-seven thousand, thirty-one".