255305003031 has 32 divisors (see below), whose sum is σ = 407358846720. Its totient is φ = 157097416032.

The previous prime is 255305003003. The next prime is 255305003033. The reversal of 255305003031 is 130300503552.

255305003031 is a `hidden beast` number, since 2 + 55 + 305 + 0 + 0 + 303 + 1 = 666.

It is not a de Polignac number, because 255305003031 - 2¹³ = 255304994839 is a prime.

It is a super-2 number, since 2×255305003031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 255305002986 and 255305003004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255305003033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5523840 + ... + 5569866.

It is an arithmetic number, because the mean of its divisors is an integer number (12729963960).

Almost surely, 2^255305003031 is an apocalyptic number.

255305003031 is a deficient number, since it is larger than the sum of its proper divisors (152053843689).

255305003031 is a wasteful number, since it uses less digits than its factorization.

255305003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61852 (or 61846 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

Adding to 255305003031 its reverse (130300503552), we get a palindrome (385605506583).

The spelling of 255305003031 in words is "two hundred fifty-five billion, three hundred five million, three thousand, thirty-one".