31121414200 has 48 divisors (see below), whose sum is σ = 72383760000. Its totient is φ = 12444011520.

The previous prime is 31121414141. The next prime is 31121414201. The reversal of 31121414200 is 241412113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31121414201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548776 + ... + 602824.

It is an arithmetic number, because the mean of its divisors is an integer number (1507995000).

Almost surely, 2^31121414200 is an apocalyptic number.

It is an amenable number.

31121414200 is an abundant number, since it is smaller than the sum of its proper divisors (41262345800).

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

31121414200 is a wasteful number, since it uses less digits than its factorization.

31121414200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56944 (or 56935 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31121414200 its reverse (241412113), we get a palindrome (31362826313).

The spelling of 31121414200 in words is "thirty-one billion, one hundred twenty-one million, four hundred fourteen thousand, two hundred".