31123003230 has 96 divisors (see below), whose sum is σ = 89485624800. Its totient is φ = 7441597440.

The previous prime is 31123003169. The next prime is 31123003231. The reversal of 31123003230 is 3230032113.

31123003230 is a `hidden beast` number, since 31 + 12 + 300 + 323 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31123003231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143055 + ... + 287594.

It is an arithmetic number, because the mean of its divisors is an integer number (932141925).

Almost surely, 2^31123003230 is an apocalyptic number.

31123003230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31123003230 is an abundant number, since it is smaller than the sum of its proper divisors (58362621570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31123003230 is a wasteful number, since it uses less digits than its factorization.

31123003230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430746 (or 430743 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31123003230 its reverse (3230032113), we get a palindrome (34353035343).

The spelling of 31123003230 in words is "thirty-one billion, one hundred twenty-three million, three thousand, two hundred thirty".