31323143410 has 64 divisors (see below), whose sum is σ = 61598371968. Its totient is φ = 11398593024.

The previous prime is 31323143353. The next prime is 31323143431. The reversal of 31323143410 is 1434132313.

It is a super-2 number, since 2×31323143410² (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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4776694 + ... + 4783246.

It is an arithmetic number, because the mean of its divisors is an integer number (962474562).

Almost surely, 2^31323143410 is an apocalyptic number.

31323143410 is a deficient number, since it is larger than the sum of its proper divisors (30275228558).

31323143410 is a wasteful number, since it uses less digits than its factorization.

31323143410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31323143410 its reverse (1434132313), we get a palindrome (32757275723).

The spelling of 31323143410 in words is "thirty-one billion, three hundred twenty-three million, one hundred forty-three thousand, four hundred ten".