31140204350 has 48 divisors (see below), whose sum is σ = 59957122320. Its totient is φ = 12018720000.

The previous prime is 31140204301. The next prime is 31140204383. The reversal of 31140204350 is 5340204113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2535725 + ... + 2547975.

It is an arithmetic number, because the mean of its divisors is an integer number (1249106715).

Almost surely, 2^31140204350 is an apocalyptic number.

31140204350 is a deficient number, since it is larger than the sum of its proper divisors (28816917970).

31140204350 is a wasteful number, since it uses less digits than its factorization.

31140204350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045 (or 14040 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 31140204350 its reverse (5340204113), we get a palindrome (36480408463).

The spelling of 31140204350 in words is "thirty-one billion, one hundred forty million, two hundred four thousand, three hundred fifty".