11520314031 has 8 divisors (see below), whose sum is σ = 15367808304. Its totient is φ = 7676514560.

The previous prime is 11520314011. The next prime is 11520314051. The reversal of 11520314031 is 13041302511.

It is an interprime number because it is at equal distance from previous prime (11520314011) and next prime (11520314051).

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 11520314031 - 2¹¹ = 11520311983 is a prime.

It is a super-2 number, since 2×11520314031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11520313989 and 11520314007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520314011) 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, 916416 + ... + 928901.

It is an arithmetic number, because the mean of its divisors is an integer number (1920976038).

Almost surely, 2^11520314031 is an apocalyptic number.

11520314031 is a deficient number, since it is larger than the sum of its proper divisors (3847494273).

11520314031 is a wasteful number, since it uses less digits than its factorization.

11520314031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847401.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11520314031 its reverse (13041302511), we get a palindrome (24561616542).

The spelling of 11520314031 in words is "eleven billion, five hundred twenty million, three hundred fourteen thousand, thirty-one".