31000132010 has 16 divisors (see below), whose sum is σ = 56427208200. Its totient is φ = 12260726016.

The previous prime is 31000131989. The next prime is 31000132049. The reversal of 31000132010 is 1023100013.

It can be written as a sum of positive squares in 4 ways, for example, as 28924145041 + 2075986969 = 170071^2 + 45563^2 .

It is a super-2 number, since 2×31000132010² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31000131982 and 31000132000.

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 7 ways as a sum of consecutive naturals, for example, 17414915 + ... + 17416694.

Almost surely, 2^31000132010 is an apocalyptic number.

31000132010 is a deficient number, since it is larger than the sum of its proper divisors (25427076190).

31000132010 is a wasteful number, since it uses less digits than its factorization.

31000132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34831705.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31000132010 its reverse (1023100013), we get a palindrome (32023232023).

The spelling of 31000132010 in words is "thirty-one billion, one hundred thirty-two thousand, ten".