2231313131032 has 16 divisors (see below), whose sum is σ = 4183734555000. Its totient is φ = 1115650583040.

The previous prime is 2231313130889. The next prime is 2231313131051. The reversal of 2231313131032 is 2301313131322.

It is a super-3 number, since 3×2231313131032³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231313130988 and 2231313131006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108344 + ... + 2385592.

Almost surely, 2^{2231313131032} is an apocalyptic number.

It is an amenable number.

2231313131032 is a deficient number, since it is larger than the sum of its proper divisors (1952421423968).

2231313131032 is a wasteful number, since it uses less digits than its factorization.

2231313131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495626 (or 1495622 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2231313131032 its reverse (2301313131322), we get a palindrome (4532626262354).

The spelling of 2231313131032 in words is "two trillion, two hundred thirty-one billion, three hundred thirteen million, one hundred thirty-one thousand, thirty-two".