31344431101412 has 96 divisors (see below), whose sum is σ = 65729794878720. Its totient is φ = 12889315745280.

The previous prime is 31344431101397. The next prime is 31344431101469. The reversal of 31344431101412 is 21410113444313.

It is a happy number.

It is a super-2 number, since 2×31344431101412² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27297878 + ... + 28422930.

It is an arithmetic number, because the mean of its divisors is an integer number (684685363320).

Almost surely, 2^{31344431101412} is an apocalyptic number.

It is an amenable number.

31344431101412 is an abundant number, since it is smaller than the sum of its proper divisors (34385363777308).

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

31344431101412 is a wasteful number, since it uses less digits than its factorization.

31344431101412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126053 (or 1126051 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 31344431101412 its reverse (21410113444313), we get a palindrome (52754544545725).

The spelling of 31344431101412 in words is "thirty-one trillion, three hundred forty-four billion, four hundred thirty-one million, one hundred one thousand, four hundred twelve".