31103434230 has 32 divisors (see below), whose sum is σ = 81434446848. Its totient is φ = 7540226400.

The previous prime is 31103434223. The next prime is 31103434249. The reversal of 31103434230 is 3243430113.

It is a self number, because there is not a number n which added to its sum of digits gives 31103434230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47126086 + ... + 47126745.

It is an arithmetic number, because the mean of its divisors is an integer number (2544826464).

Almost surely, 2^31103434230 is an apocalyptic number.

31103434230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31103434230 is an abundant number, since it is smaller than the sum of its proper divisors (50331012618).

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

31103434230 is a wasteful number, since it uses less digits than its factorization.

31103434230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94252852.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31103434230 its reverse (3243430113), we get a palindrome (34346864343).

The spelling of 31103434230 in words is "thirty-one billion, one hundred three million, four hundred thirty-four thousand, two hundred thirty".