31213141430122 has 8 divisors (see below), whose sum is σ = 47961656343972. Its totient is φ = 15225922648800.

The previous prime is 31213141430117. The next prime is 31213141430123. The reversal of 31213141430122 is 22103414131213.

It can be written as a sum of positive squares in 2 ways, for example, as 31072140429121 + 141001001001 = 5574239^2 + 375501^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31213141430123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190324033029 + ... + 190324033192.

Almost surely, 2^{31213141430122} is an apocalyptic number.

31213141430122 is a deficient number, since it is larger than the sum of its proper divisors (16748514913850).

31213141430122 is a wasteful number, since it uses less digits than its factorization.

31213141430122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380648066264.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31213141430122 its reverse (22103414131213), we get a palindrome (53316555561335).

The spelling of 31213141430122 in words is "thirty-one trillion, two hundred thirteen billion, one hundred forty-one million, four hundred thirty thousand, one hundred twenty-two".