31354221130 has 8 divisors (see below), whose sum is σ = 56437598052. Its totient is φ = 12541688448.

The previous prime is 31354221113. The next prime is 31354221169. The reversal of 31354221130 is 3112245313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30029770681 + 1324450449 = 173291^2 + 36393^2 .

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 = 31354221095 and 31354221104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567711047 + ... + 1567711066.

Almost surely, 2^31354221130 is an apocalyptic number.

31354221130 is a deficient number, since it is larger than the sum of its proper divisors (25083376922).

31354221130 is a wasteful number, since it uses less digits than its factorization.

31354221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135422120.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31354221130 its reverse (3112245313), we get a palindrome (34466466443).

The spelling of 31354221130 in words is "thirty-one billion, three hundred fifty-four million, two hundred twenty-one thousand, one hundred thirty".