31440010010 has 16 divisors (see below), whose sum is σ = 56595088800. Its totient is φ = 12575321616.

The previous prime is 31440010009. The next prime is 31440010067. The reversal of 31440010010 is 1001004413.

It is a happy number.

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, 135401 + ... + 284979.

It is an arithmetic number, because the mean of its divisors is an integer number (3537193050).

Almost surely, 2^31440010010 is an apocalyptic number.

31440010010 is a deficient number, since it is larger than the sum of its proper divisors (25155078790).

31440010010 is a wasteful number, since it uses less digits than its factorization.

31440010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170605.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 31440010010 its reverse (1001004413), we get a palindrome (32441014423).

The spelling of 31440010010 in words is "thirty-one billion, four hundred forty million, ten thousand, ten".