2015411313231 has 12 divisors (see below), whose sum is σ = 3018970033352. Its totient is φ = 1343607541992.

The previous prime is 2015411313173. The next prime is 2015411313233. The reversal of 2015411313231 is 1323131145102.

2015411313231 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 411 + 3 + 13 + 231 = 666.

It is not a de Polignac number, because 2015411313231 - 2²² = 2015407118927 is a prime.

It is a super-2 number, since 2×2015411313231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2015411313195 and 2015411313204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015411313233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4146936616 + ... + 4146937101.

Almost surely, 2^{2015411313231} is an apocalyptic number.

2015411313231 is a deficient number, since it is larger than the sum of its proper divisors (1003558720121).

2015411313231 is an frugal number, since it uses more digits than its factorization.

2015411313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293873732 (or 8293873720 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 2015411313231 its reverse (1323131145102), we get a palindrome (3338542458333).

The spelling of 2015411313231 in words is "two trillion, fifteen billion, four hundred eleven million, three hundred thirteen thousand, two hundred thirty-one".