31141203311312 has 40 divisors (see below), whose sum is σ = 60876578149632. Its totient is φ = 15431597136000.

The previous prime is 31141203311311. The next prime is 31141203311321. The reversal of 31141203311312 is 21311330214113.

It is a super-2 number, since 2×31141203311312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31141203311311) 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, 13911803 + ... + 15994394.

Almost surely, 2^{31141203311312} is an apocalyptic number.

It is an amenable number.

31141203311312 is a deficient number, since it is larger than the sum of its proper divisors (29735374838320).

31141203311312 is a wasteful number, since it uses less digits than its factorization.

31141203311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29906787 (or 29906781 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 31141203311312 its reverse (21311330214113), we get a palindrome (52452533525425).

The spelling of 31141203311312 in words is "thirty-one trillion, one hundred forty-one billion, two hundred three million, three hundred eleven thousand, three hundred twelve".