1031133231331 has 8 divisors (see below), whose sum is σ = 1216452107264. Its totient is φ = 855317887560.

The previous prime is 1031133231313. The next prime is 1031133231341. The reversal of 1031133231331 is 1331323311301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031133231331 - 2¹³ = 1031133223139 is a prime.

It is a super-2 number, since 2×1031133231331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031133231296 and 1031133231305.

It is not an unprimeable number, because it can be changed into a prime (1031133231301) 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, 2375882805 + ... + 2375883238.

It is an arithmetic number, because the mean of its divisors is an integer number (152056513408).

Almost surely, 2^{1031133231331} is an apocalyptic number.

1031133231331 is a deficient number, since it is larger than the sum of its proper divisors (185318875933).

1031133231331 is an equidigital number, since it uses as much as digits as its factorization.

1031133231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751766081.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1031133231331 its reverse (1331323311301), we get a palindrome (2362456542632).

The spelling of 1031133231331 in words is "one trillion, thirty-one billion, one hundred thirty-three million, two hundred thirty-one thousand, three hundred thirty-one".