3131143312332 has 48 divisors (see below), whose sum is σ = 8350679724800. Its totient is φ = 894509065152.

The previous prime is 3131143312313. The next prime is 3131143312337. The reversal of 3131143312332 is 2332133411313.

It is a happy number.

It is a super-2 number, since 2×3131143312332² (a number of 26 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3131143312332.

It is not an unprimeable number, because it can be changed into a prime (3131143312337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419082 + ... + 2876817.

Almost surely, 2^{3131143312332} is an apocalyptic number.

It is an amenable number.

3131143312332 is an abundant number, since it is smaller than the sum of its proper divisors (5219536412468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131143312332 is a wasteful number, since it uses less digits than its factorization.

3131143312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304590 (or 4304588 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 3131143312332 its reverse (2332133411313), we get a palindrome (5463276723645).

The spelling of 3131143312332 in words is "three trillion, one hundred thirty-one billion, one hundred forty-three million, three hundred twelve thousand, three hundred thirty-two".