31303113010 has 32 divisors (see below), whose sum is σ = 62772297840. Its totient is φ = 11159516928.

The previous prime is 31303112957. The next prime is 31303113011. The reversal of 31303113010 is 1031130313.

It can be written as a sum of positive squares in 8 ways, for example, as 5527773801 + 25775339209 = 74349^2 + 160547^2 .

It is not an unprimeable number, because it can be changed into a prime (31303113011) by changing a digit.

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, 4147837 + ... + 4155376.

Almost surely, 2^31303113010 is an apocalyptic number.

31303113010 is an abundant number, since it is smaller than the sum of its proper divisors (31469184830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31303113010 is a wasteful number, since it uses less digits than its factorization.

31303113010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303262.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31303113010 its reverse (1031130313), we get a palindrome (32334243323).

It can be divided in two parts, 313031 and 13010, that added together give a square (326041 = 571²).

The spelling of 31303113010 in words is "thirty-one billion, three hundred three million, one hundred thirteen thousand, ten".