1231301320010 has 16 divisors (see below), whose sum is σ = 2246703231816. Its totient is φ = 485773671168.

The previous prime is 1231301319979. The next prime is 1231301320013. The reversal of 1231301320010 is 100231031321.

It can be written as a sum of positive squares in 4 ways, for example, as 676248009649 + 555053310361 = 822343^2 + 745019^2 .

It is a super-2 number, since 2×1231301320010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231301320013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843356339 + ... + 843357798.

Almost surely, 2^{1231301320010} is an apocalyptic number.

1231301320010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231301320010 is a deficient number, since it is larger than the sum of its proper divisors (1015401911806).

1231301320010 is a wasteful number, since it uses less digits than its factorization.

1231301320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686714217.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1231301320010 its reverse (100231031321), we get a palindrome (1331532351331).

The spelling of 1231301320010 in words is "one trillion, two hundred thirty-one billion, three hundred one million, three hundred twenty thousand, ten".