167431013 has 4 divisors (see below), whose sum is σ = 167536428. Its totient is φ = 167325600.

The previous prime is 167431009. The next prime is 167431037. The reversal of 167431013 is 310134761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96079204 + 71351809 = 9802^2 + 8447^2 .

It is a cyclic number.

It is not a de Polignac number, because 167431013 - 2² = 167431009 is a prime.

It is a super-2 number, since 2×167431013² = 56066288228412338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167431073) 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 in 3 ways as a sum of consecutive naturals, for example, 50288 + ... + 53513.

It is an arithmetic number, because the mean of its divisors is an integer number (41884107).

Almost surely, 2^167431013 is an apocalyptic number.

It is an amenable number.

167431013 is a deficient number, since it is larger than the sum of its proper divisors (105415).

167431013 is a wasteful number, since it uses less digits than its factorization.

167431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105414.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 167431013 is about 12939.5136307359. The cubic root of 167431013 is about 551.1611973646.

Adding to 167431013 its reverse (310134761), we get a palindrome (477565774).

The spelling of 167431013 in words is "one hundred sixty-seven million, four hundred thirty-one thousand, thirteen".