31282028214 has 32 divisors (see below), whose sum is σ = 64266932736. Its totient is φ = 10143635040.

The previous prime is 31282028179. The next prime is 31282028249. The reversal of 31282028214 is 41282028213.

It is an interprime number because it is at equal distance from previous prime (31282028179) and next prime (31282028249).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666099 + ... + 1684769.

It is an arithmetic number, because the mean of its divisors is an integer number (2008341648).

Almost surely, 2^31282028214 is an apocalyptic number.

31282028214 is an abundant number, since it is smaller than the sum of its proper divisors (32984904522).

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

31282028214 is a wasteful number, since it uses less digits than its factorization.

31282028214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26260.

The product of its (nonzero) digits is 12288, while the sum is 33.

Subtracting 31282028214 from its reverse (41282028213), we obtain a palindrome (9999999999).

The spelling of 31282028214 in words is "thirty-one billion, two hundred eighty-two million, twenty-eight thousand, two hundred fourteen".