11312000031 has 8 divisors (see below), whose sum is σ = 15264385920. Its totient is φ = 7450473752.

The previous prime is 11312000023. The next prime is 11312000069. The reversal of 11312000031 is 13000021311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11312000031 - 2³ = 11312000023 is a prime.

It is a super-2 number, since 2×11312000031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11311999980 and 11312000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312000071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22714611 + ... + 22715108.

It is an arithmetic number, because the mean of its divisors is an integer number (1908048240).

Almost surely, 2^11312000031 is an apocalyptic number.

11312000031 is a deficient number, since it is larger than the sum of its proper divisors (3952385889).

11312000031 is an equidigital number, since it uses as much as digits as its factorization.

11312000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45429805.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11312000031 its reverse (13000021311), we get a palindrome (24312021342).

The spelling of 11312000031 in words is "eleven billion, three hundred twelve million, thirty-one", and thus it is an aban number.