31130023322 has 8 divisors (see below), whose sum is σ = 46929684000. Its totient is φ = 15486795324.

The previous prime is 31130023313. The next prime is 31130023373. The reversal of 31130023322 is 22332003113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31130023294 and 31130023303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39107672 + ... + 39108467.

It is an arithmetic number, because the mean of its divisors is an integer number (5866210500).

Almost surely, 2^31130023322 is an apocalyptic number.

31130023322 is a deficient number, since it is larger than the sum of its proper divisors (15799660678).

31130023322 is a wasteful number, since it uses less digits than its factorization.

31130023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78216340.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31130023322 its reverse (22332003113), we get a palindrome (53462026435).

The spelling of 31130023322 in words is "thirty-one billion, one hundred thirty million, twenty-three thousand, three hundred twenty-two".