231111455125345 has 8 divisors (see below), whose sum is σ = 283783368154176. Its totient is φ = 180589416097776.

The previous prime is 231111455125339. The next prime is 231111455125361. The reversal of 231111455125345 is 543521554111132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231111455125345 is a prime.

It is a super-2 number, since 2×231111455125345² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537468500077 + ... + 537468500506.

It is an arithmetic number, because the mean of its divisors is an integer number (35472921019272).

Almost surely, 2^{231111455125345} is an apocalyptic number.

It is an amenable number.

231111455125345 is a deficient number, since it is larger than the sum of its proper divisors (52671913028831).

231111455125345 is a wasteful number, since it uses less digits than its factorization.

231111455125345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074937000631.

The product of its digits is 360000, while the sum is 43.

The spelling of 231111455125345 in words is "two hundred thirty-one trillion, one hundred eleven billion, four hundred fifty-five million, one hundred twenty-five thousand, three hundred forty-five".