830148331 has 4 divisors (see below), whose sum is σ = 832656664. Its totient is φ = 827640000.

The previous prime is 830148313. The next prime is 830148337. The reversal of 830148331 is 133841038.

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 830148331 - 2⁵ = 830148299 is a prime.

It is a super-2 number, since 2×830148331² = 1378292502924171122, 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 = 830148293 and 830148302.

It is not an unprimeable number, because it can be changed into a prime (830148337) 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, 1253670 + ... + 1254331.

It is an arithmetic number, because the mean of its divisors is an integer number (208164166).

Almost surely, 2^830148331 is an apocalyptic number.

830148331 is a deficient number, since it is larger than the sum of its proper divisors (2508333).

830148331 is a wasteful number, since it uses less digits than its factorization.

830148331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508332.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 830148331 is about 28812.2947888571. The cubic root of 830148331 is about 939.8356174753.

Adding to 830148331 its reverse (133841038), we get a palindrome (963989369).

The spelling of 830148331 in words is "eight hundred thirty million, one hundred forty-eight thousand, three hundred thirty-one".