31140020410 has 32 divisors (see below), whose sum is σ = 56446420032. Its totient is φ = 12368505600.

The previous prime is 31140020363. The next prime is 31140020437. The reversal of 31140020410 is 1402004113.

It is a super-2 number, since 2×31140020410² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1949677 + ... + 1965583.

It is an arithmetic number, because the mean of its divisors is an integer number (1763950626).

Almost surely, 2^31140020410 is an apocalyptic number.

31140020410 is a deficient number, since it is larger than the sum of its proper divisors (25306399622).

31140020410 is a wasteful number, since it uses less digits than its factorization.

31140020410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17278.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31140020410 its reverse (1402004113), we get a palindrome (32542024523).

The spelling of 31140020410 in words is "thirty-one billion, one hundred forty million, twenty thousand, four hundred ten".