31222101220130 has 32 divisors (see below), whose sum is σ = 59197395801600. Its totient is φ = 11823587027712.

The previous prime is 31222101220069. The next prime is 31222101220169. The reversal of 31222101220130 is 3102210122213.

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, 54897362 + ... + 55463181.

It is an arithmetic number, because the mean of its divisors is an integer number (1849918618800).

Almost surely, 2^{31222101220130} is an apocalyptic number.

31222101220130 is a deficient number, since it is larger than the sum of its proper divisors (27975294581470).

31222101220130 is a wasteful number, since it uses less digits than its factorization.

31222101220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110362058.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31222101220130 its reverse (3102210122213), we get a palindrome (34324311342343).

The spelling of 31222101220130 in words is "thirty-one trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, one hundred thirty".