31023020200010 has 32 divisors (see below), whose sum is σ = 56337393773520. Its totient is φ = 12299002283008.

The previous prime is 31023020200001. The next prime is 31023020200049. The reversal of 31023020200010 is 1000202032013.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5501215448089 + 25521804751921 = 2345467^2 + 5051911^2 .

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 15 ways as a sum of consecutive naturals, for example, 36632924 + ... + 37470216.

Almost surely, 2^{31023020200010} is an apocalyptic number.

31023020200010 is a deficient number, since it is larger than the sum of its proper divisors (25314373573510).

31023020200010 is a wasteful number, since it uses less digits than its factorization.

31023020200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870202.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 31023020200010 its reverse (1000202032013), we get a palindrome (32023222232023).

The spelling of 31023020200010 in words is "thirty-one trillion, twenty-three billion, twenty million, two hundred thousand, ten".