1015234311131 has 4 divisors (see below), whose sum is σ = 1016378882832. Its totient is φ = 1014089739432.

The previous prime is 1015234311127. The next prime is 1015234311139. The reversal of 1015234311131 is 1311134325101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1015234311131 - 2² = 1015234311127 is a prime.

It is a super-2 number, since 2×1015234311131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015234311131.

It is not an unprimeable number, because it can be changed into a prime (1015234311139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572284520 + ... + 572286293.

It is an arithmetic number, because the mean of its divisors is an integer number (254094720708).

Almost surely, 2^{1015234311131} is an apocalyptic number.

1015234311131 is a deficient number, since it is larger than the sum of its proper divisors (1144571701).

1015234311131 is an equidigital number, since it uses as much as digits as its factorization.

1015234311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144571700.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 1015234311131 its reverse (1311134325101), we get a palindrome (2326368636232).

The spelling of 1015234311131 in words is "one trillion, fifteen billion, two hundred thirty-four million, three hundred eleven thousand, one hundred thirty-one".