1163226481031 has 4 divisors (see below), whose sum is σ = 1163228812200. Its totient is φ = 1163224149864.

The previous prime is 1163226481007. The next prime is 1163226481037. The reversal of 1163226481031 is 1301846223611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163226481031 is a prime.

It is a super-2 number, since 2×1163226481031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163226481037) 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, 80201 + ... + 1527378.

It is an arithmetic number, because the mean of its divisors is an integer number (290807203050).

Almost surely, 2^{1163226481031} is an apocalyptic number.

1163226481031 is a deficient number, since it is larger than the sum of its proper divisors (2331169).

1163226481031 is an equidigital number, since it uses as much as digits as its factorization.

1163226481031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331168.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 1163226481031 in words is "one trillion, one hundred sixty-three billion, two hundred twenty-six million, four hundred eighty-one thousand, thirty-one".