147903131 has 2 divisors, whose sum is σ = 147903132. Its totient is φ = 147903130.

The previous prime is 147903127. The next prime is 147903157. The reversal of 147903131 is 131309741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147903131 - 2² = 147903127 is a prime.

It is a super-2 number, since 2×147903131² = 43750672319206322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147903094 and 147903103.

It is not a weakly prime, because it can be changed into another prime (147903121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73951565 + 73951566.

It is an arithmetic number, because the mean of its divisors is an integer number (73951566).

Almost surely, 2^147903131 is an apocalyptic number.

147903131 is a deficient number, since it is larger than the sum of its proper divisors (1).

147903131 is an equidigital number, since it uses as much as digits as its factorization.

147903131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 147903131 is about 12161.5431175489. The cubic root of 147903131 is about 528.8418176686.

The spelling of 147903131 in words is "one hundred forty-seven million, nine hundred three thousand, one hundred thirty-one".