147000031 has 4 divisors (see below), whose sum is σ = 147051864. Its totient is φ = 146948200.

The previous prime is 147000023. The next prime is 147000053. The reversal of 147000031 is 130000741.

147000031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147000031 - 2³ = 147000023 is a prime.

It is a super-2 number, since 2×147000031² = 43218018228001922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146999969 and 147000014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147000011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21400 + ... + 27421.

It is an arithmetic number, because the mean of its divisors is an integer number (36762966).

Almost surely, 2^147000031 is an apocalyptic number.

147000031 is a deficient number, since it is larger than the sum of its proper divisors (51833).

147000031 is an equidigital number, since it uses as much as digits as its factorization.

147000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51832.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 147000031 is about 12124.3569314005. The cubic root of 147000031 is about 527.7632458894.

Adding to 147000031 its reverse (130000741), we get a palindrome (277000772).

The spelling of 147000031 in words is "one hundred forty-seven million, thirty-one", and thus it is an aban number.