31476828212 has 6 divisors (see below), whose sum is σ = 55084449378. Its totient is φ = 15738414104.

The previous prime is 31476828209. The next prime is 31476828233. The reversal of 31476828212 is 21282867413.

It can be written as a sum of positive squares in only one way, i.e., 19598880016 + 11877948196 = 139996^2 + 108986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934603523 + ... + 3934603530.

It is an arithmetic number, because the mean of its divisors is an integer number (9180741563).

Almost surely, 2^31476828212 is an apocalyptic number.

It is an amenable number.

31476828212 is a deficient number, since it is larger than the sum of its proper divisors (23607621166).

31476828212 is a wasteful number, since it uses less digits than its factorization.

31476828212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869207057 (or 7869207055 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The spelling of 31476828212 in words is "thirty-one billion, four hundred seventy-six million, eight hundred twenty-eight thousand, two hundred twelve".