2031311153552 has 10 divisors (see below), whose sum is σ = 3935665360038. Its totient is φ = 1015655576768.

The previous prime is 2031311153551. The next prime is 2031311153561. The reversal of 2031311153552 is 2553511131302.

It can be written as a sum of positive squares in only one way, i.e., 1654197256336 + 377113897216 = 1286156^2 + 614096^2 .

It is not an unprimeable number, because it can be changed into a prime (2031311153551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63478473533 + ... + 63478473564.

Almost surely, 2^{2031311153552} is an apocalyptic number.

It is an amenable number.

2031311153552 is a deficient number, since it is larger than the sum of its proper divisors (1904354206486).

2031311153552 is a wasteful number, since it uses less digits than its factorization.

2031311153552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126956947105 (or 126956947099 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 2031311153552 its reverse (2553511131302), we get a palindrome (4584822284854).

The spelling of 2031311153552 in words is "two trillion, thirty-one billion, three hundred eleven million, one hundred fifty-three thousand, five hundred fifty-two".