1031331013131 has 8 divisors (see below), whose sum is σ = 1391675584320. Its totient is φ = 679270225352.

The previous prime is 1031331013099. The next prime is 1031331013151. The reversal of 1031331013131 is 1313101331301.

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 1031331013131 - 2⁵ = 1031331013099 is a prime.

It is a super-2 number, since 2×1031331013131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031331013098 and 1031331013107.

It is not an unprimeable number, because it can be changed into a prime (1031331013151) 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, 2070945561 + ... + 2070946058.

It is an arithmetic number, because the mean of its divisors is an integer number (173959448040).

Almost surely, 2^{1031331013131} is an apocalyptic number.

1031331013131 is a deficient number, since it is larger than the sum of its proper divisors (360344571189).

1031331013131 is an equidigital number, since it uses as much as digits as its factorization.

1031331013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141891705.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1031331013131 its reverse (1313101331301), we get a palindrome (2344432344432).

The spelling of 1031331013131 in words is "one trillion, thirty-one billion, three hundred thirty-one million, thirteen thousand, one hundred thirty-one".