505500005031 has 32 divisors (see below), whose sum is σ = 778411166208. Its totient is φ = 285825939840.

The previous prime is 505500005029. The next prime is 505500005033. The reversal of 505500005031 is 130500005505.

It is an interprime number because it is at equal distance from previous prime (505500005029) and next prime (505500005033).

It is not a de Polignac number, because 505500005031 - 2¹ = 505500005029 is a prime.

It is a super-2 number, since 2×505500005031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505500004992 and 505500005010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505500005033) 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, 436845 + ... + 1096281.

It is an arithmetic number, because the mean of its divisors is an integer number (24325348944).

Almost surely, 2^505500005031 is an apocalyptic number.

505500005031 is a deficient number, since it is larger than the sum of its proper divisors (272911161177).

505500005031 is a wasteful number, since it uses less digits than its factorization.

505500005031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659831.

The product of its (nonzero) digits is 1875, while the sum is 24.

The spelling of 505500005031 in words is "five hundred five billion, five hundred million, five thousand, thirty-one".