228012935031 has 24 divisors (see below), whose sum is σ = 376423825440. Its totient is φ = 130285656576.

The previous prime is 228012935023. The next prime is 228012935053. The reversal of 228012935031 is 130539210822.

228012935031 is a `hidden beast` number, since 2 + 28 + 0 + 129 + 3 + 503 + 1 = 666.

It is not a de Polignac number, because 228012935031 - 2³ = 228012935023 is a prime.

It is a super-2 number, since 2×228012935031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228012930031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1121391 + ... + 1309023.

It is an arithmetic number, because the mean of its divisors is an integer number (15684326060).

Almost surely, 2^228012935031 is an apocalyptic number.

228012935031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

228012935031 is a deficient number, since it is larger than the sum of its proper divisors (148410890409).

228012935031 is a wasteful number, since it uses less digits than its factorization.

228012935031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206935 (or 206932 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 228012935031 in words is "two hundred twenty-eight billion, twelve million, nine hundred thirty-five thousand, thirty-one".