655835031 has 6 divisors (see below), whose sum is σ = 947317280. Its totient is φ = 437223348.

The previous prime is 655835017. The next prime is 655835051. The reversal of 655835031 is 130538556.

It is not a de Polignac number, because 655835031 - 2⁵ = 655834999 is a prime.

It is a super-2 number, since 2×655835031² = 860239175773541922, 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 (655835051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36435271 + ... + 36435288.

Almost surely, 2^655835031 is an apocalyptic number.

655835031 is a deficient number, since it is larger than the sum of its proper divisors (291482249).

655835031 is a wasteful number, since it uses less digits than its factorization.

655835031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72870565 (or 72870562 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 655835031 is about 25609.2762685711. The cubic root of 655835031 is about 868.8234551971.

The spelling of 655835031 in words is "six hundred fifty-five million, eight hundred thirty-five thousand, thirty-one".