2301131311312 has 10 divisors (see below), whose sum is σ = 4458441915698. Its totient is φ = 1150565655648.

The previous prime is 2301131311309. The next prime is 2301131311319. The reversal of 2301131311312 is 2131131311032.

It can be written as a sum of positive squares in only one way, i.e., 1574061307456 + 727070003856 = 1254616^2 + 852684^2 .

It is a super-2 number, since 2×2301131311312² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301131311319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71910353463 + ... + 71910353494.

Almost surely, 2^{2301131311312} is an apocalyptic number.

It is an amenable number.

2301131311312 is a deficient number, since it is larger than the sum of its proper divisors (2157310604386).

2301131311312 is a wasteful number, since it uses less digits than its factorization.

2301131311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143820706965 (or 143820706959 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2301131311312 its reverse (2131131311032), we get a palindrome (4432262622344).

The spelling of 2301131311312 in words is "two trillion, three hundred one billion, one hundred thirty-one million, three hundred eleven thousand, three hundred twelve".