31473302212 has 24 divisors (see below), whose sum is σ = 62697805632. Its totient is φ = 13684044000.

The previous prime is 31473302167. The next prime is 31473302213. The reversal of 31473302212 is 21220337413.

It is not an unprimeable number, because it can be changed into a prime (31473302213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15549039 + ... + 15551062.

It is an arithmetic number, because the mean of its divisors is an integer number (2612408568).

Almost surely, 2^31473302212 is an apocalyptic number.

It is an amenable number.

31473302212 is a deficient number, since it is larger than the sum of its proper divisors (31224503420).

31473302212 is a wasteful number, since it uses less digits than its factorization.

31473302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100139 (or 31100137 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 31473302212 its reverse (21220337413), we get a palindrome (52693639625).

The spelling of 31473302212 in words is "thirty-one billion, four hundred seventy-three million, three hundred two thousand, two hundred twelve".