31213233110230 has 32 divisors (see below), whose sum is σ = 56246865593184. Its totient is φ = 12471289360896.

The previous prime is 31213233110221. The next prime is 31213233110281. The reversal of 31213233110230 is 3201133231213.

It is a junction number, because it is equal to n+sod(n) for n = 31213233110195 and 31213233110204.

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, 39227214 + ... + 40015006.

It is an arithmetic number, because the mean of its divisors is an integer number (1757714549787).

Almost surely, 2^{31213233110230} is an apocalyptic number.

31213233110230 is a deficient number, since it is larger than the sum of its proper divisors (25033632482954).

31213233110230 is a wasteful number, since it uses less digits than its factorization.

31213233110230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792240.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31213233110230 its reverse (3201133231213), we get a palindrome (34414366341443).

The spelling of 31213233110230 in words is "thirty-one trillion, two hundred thirteen billion, two hundred thirty-three million, one hundred ten thousand, two hundred thirty".