31144132310 has 8 divisors (see below), whose sum is σ = 56059438176. Its totient is φ = 12457652920.

The previous prime is 31144132309. The next prime is 31144132333. The reversal of 31144132310 is 1323144113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31144132310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557206606 + ... + 1557206625.

It is an arithmetic number, because the mean of its divisors is an integer number (7007429772).

Almost surely, 2^31144132310 is an apocalyptic number.

31144132310 is a deficient number, since it is larger than the sum of its proper divisors (24915305866).

31144132310 is a wasteful number, since it uses less digits than its factorization.

31144132310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114413238.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31144132310 its reverse (1323144113), we get a palindrome (32467276423).

The spelling of 31144132310 in words is "thirty-one billion, one hundred forty-four million, one hundred thirty-two thousand, three hundred ten".