31210130134212 has 12 divisors (see below), whose sum is σ = 72823636979856. Its totient is φ = 10403376711400.

The previous prime is 31210130134123. The next prime is 31210130134229. The reversal of 31210130134212 is 21243103101213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×31210130134212³ (a number of 41 digits) contains 333 as substring.

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, 1300422088914 + ... + 1300422088937.

It is an arithmetic number, because the mean of its divisors is an integer number (6068636414988).

Almost surely, 2^{31210130134212} is an apocalyptic number.

It is an amenable number.

31210130134212 is an abundant number, since it is smaller than the sum of its proper divisors (41613506845644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31210130134212 is a wasteful number, since it uses less digits than its factorization.

31210130134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600844177858 (or 2600844177856 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31210130134212 its reverse (21243103101213), we get a palindrome (52453233235425).

The spelling of 31210130134212 in words is "thirty-one trillion, two hundred ten billion, one hundred thirty million, one hundred thirty-four thousand, two hundred twelve".