31435152212 has 12 divisors (see below), whose sum is σ = 55032523476. Its totient is φ = 15711574080.

The previous prime is 31435152197. The next prime is 31435152241. The reversal of 31435152212 is 21225153413.

It can be written as a sum of positive squares in 2 ways, for example, as 12724742416 + 18710409796 = 112804^2 + 136786^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488713 + ... + 1509680.

It is an arithmetic number, because the mean of its divisors is an integer number (4586043623).

Almost surely, 2^31435152212 is an apocalyptic number.

It is an amenable number.

31435152212 is a deficient number, since it is larger than the sum of its proper divisors (23597371264).

31435152212 is a wasteful number, since it uses less digits than its factorization.

31435152212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001018 (or 3001016 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The spelling of 31435152212 in words is "thirty-one billion, four hundred thirty-five million, one hundred fifty-two thousand, two hundred twelve".