31354342504 has 32 divisors (see below), whose sum is σ = 60076640520. Its totient is φ = 15335663616.

The previous prime is 31354342477. The next prime is 31354342519. The reversal of 31354342504 is 40524345313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29107772100 + 2246570404 = 170610^2 + 47398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31354342504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33172 + ... + 252604.

Almost surely, 2^31354342504 is an apocalyptic number.

It is an amenable number.

31354342504 is a deficient number, since it is larger than the sum of its proper divisors (28722298016).

31354342504 is a wasteful number, since it uses less digits than its factorization.

31354342504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219829 (or 219825 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 31354342504 its reverse (40524345313), we get a palindrome (71878687817).

The spelling of 31354342504 in words is "thirty-one billion, three hundred fifty-four million, three hundred forty-two thousand, five hundred four".