1155233010031 has 16 divisors (see below), whose sum is σ = 1244004199200. Its totient is φ = 1068777243648.

The previous prime is 1155233010023. The next prime is 1155233010059. The reversal of 1155233010031 is 1300103325511.

It is a cyclic number.

It is not a de Polignac number, because 1155233010031 - 2³ = 1155233010023 is a prime.

It is a super-2 number, since 2×1155233010031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155233009978 and 1155233010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155233010431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19783105 + ... + 19841413.

It is an arithmetic number, because the mean of its divisors is an integer number (77750262450).

Almost surely, 2^{1155233010031} is an apocalyptic number.

1155233010031 is a deficient number, since it is larger than the sum of its proper divisors (88771189169).

1155233010031 is a wasteful number, since it uses less digits than its factorization.

1155233010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78138.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 1155233010031 its reverse (1300103325511), we get a palindrome (2455336335542).

The spelling of 1155233010031 in words is "one trillion, one hundred fifty-five billion, two hundred thirty-three million, ten thousand, thirty-one".