31143509324 has 6 divisors (see below), whose sum is σ = 54501141324. Its totient is φ = 15571754660.

The previous prime is 31143509317. The next prime is 31143509339. The reversal of 31143509324 is 42390534113.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3892938662 + ... + 3892938669.

It is an arithmetic number, because the mean of its divisors is an integer number (9083523554).

Almost surely, 2^31143509324 is an apocalyptic number.

It is an amenable number.

31143509324 is a deficient number, since it is larger than the sum of its proper divisors (23357632000).

31143509324 is a wasteful number, since it uses less digits than its factorization.

31143509324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785877335 (or 7785877333 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 31143509324 in words is "thirty-one billion, one hundred forty-three million, five hundred nine thousand, three hundred twenty-four".