31434130212 has 96 divisors (see below), whose sum is σ = 77087324160. Its totient is φ = 9960316800.

The previous prime is 31434130181. The next prime is 31434130229. The reversal of 31434130212 is 21203143413.

It is a happy number.

It is a super-3 number, since 3×31434130212³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3069733 + ... + 3079955.

It is an arithmetic number, because the mean of its divisors is an integer number (802992960).

Almost surely, 2^31434130212 is an apocalyptic number.

It is an amenable number.

31434130212 is an abundant number, since it is smaller than the sum of its proper divisors (45653193948).

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

31434130212 is a wasteful number, since it uses less digits than its factorization.

31434130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433 (or 10431 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31434130212 its reverse (21203143413), we get a palindrome (52637273625).

The spelling of 31434130212 in words is "thirty-one billion, four hundred thirty-four million, one hundred thirty thousand, two hundred twelve".