11314061531 has 4 divisors (see below), whose sum is σ = 11314898064. Its totient is φ = 11313225000.

The previous prime is 11314061519. The next prime is 11314061569. The reversal of 11314061531 is 13516041311.

It is a happy number.

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 11314061531 - 2⁶ = 11314061467 is a prime.

It is a super-2 number, since 2×11314061531² (a number of 21 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 11314061531.

It is not an unprimeable number, because it can be changed into a prime (11314061581) 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, 397640 + ... + 425141.

It is an arithmetic number, because the mean of its divisors is an integer number (2828724516).

Almost surely, 2^11314061531 is an apocalyptic number.

11314061531 is a deficient number, since it is larger than the sum of its proper divisors (836533).

11314061531 is an equidigital number, since it uses as much as digits as its factorization.

11314061531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836532.

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

The spelling of 11314061531 in words is "eleven billion, three hundred fourteen million, sixty-one thousand, five hundred thirty-one".