31324042412 has 24 divisors (see below), whose sum is σ = 60001545072. Its totient is φ = 14220244800.

The previous prime is 31324042391. The next prime is 31324042433. The reversal of 31324042412 is 21424042313.

It is an interprime number because it is at equal distance from previous prime (31324042391) and next prime (31324042433).

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 4934414 + ... + 4940757.

It is an arithmetic number, because the mean of its divisors is an integer number (2500064378).

Almost surely, 2^31324042412 is an apocalyptic number.

It is an amenable number.

31324042412 is a deficient number, since it is larger than the sum of its proper divisors (28677502660).

31324042412 is a wasteful number, since it uses less digits than its factorization.

31324042412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875249 (or 9875247 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31324042412 its reverse (21424042313), we get a palindrome (52748084725).

Subtracting from 31324042412 its reverse (21424042313), we obtain a palindrome (9900000099).

The spelling of 31324042412 in words is "thirty-one billion, three hundred twenty-four million, forty-two thousand, four hundred twelve".