31134220130 has 32 divisors (see below), whose sum is σ = 60401905200. Its totient is φ = 11486299392.

The previous prime is 31134220093. The next prime is 31134220163. The reversal of 31134220130 is 3102243113.

It can be written as a sum of positive squares in 8 ways, for example, as 25286406289 + 5847813841 = 159017^2 + 76471^2 .

It is a Curzon 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, 62336 + ... + 257204.

Almost surely, 2^31134220130 is an apocalyptic number.

31134220130 is a deficient number, since it is larger than the sum of its proper divisors (29267685070).

31134220130 is a wasteful number, since it uses less digits than its factorization.

31134220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196118.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31134220130 its reverse (3102243113), we get a palindrome (34236463243).

The spelling of 31134220130 in words is "thirty-one billion, one hundred thirty-four million, two hundred twenty thousand, one hundred thirty".