31213424233130 has 8 divisors (see below), whose sum is σ = 56184163619652. Its totient is φ = 12485369693248.

The previous prime is 31213424233081. The next prime is 31213424233141. The reversal of 31213424233130 is 3133242431213.

It can be written as a sum of positive squares in 2 ways, for example, as 27391919245441 + 3821504987689 = 5233729^2 + 1954867^2 .

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

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, 1560671211647 + ... + 1560671211666.

Almost surely, 2^{31213424233130} is an apocalyptic number.

31213424233130 is a deficient number, since it is larger than the sum of its proper divisors (24970739386522).

31213424233130 is a wasteful number, since it uses less digits than its factorization.

31213424233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121342423320.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 31213424233130 its reverse (3133242431213), we get a palindrome (34346666664343).

The spelling of 31213424233130 in words is "thirty-one trillion, two hundred thirteen billion, four hundred twenty-four million, two hundred thirty-three thousand, one hundred thirty".