1131124423013 has 8 divisors (see below), whose sum is σ = 1230194728056. Its totient is φ = 1033777080000.

The previous prime is 1131124423007. The next prime is 1131124423019. The reversal of 1131124423013 is 3103244211311.

It is an interprime number because it is at equal distance from previous prime (1131124423007) and next prime (1131124423019).

It can be written as a sum of positive squares in 4 ways, for example, as 28588722724 + 1102535700289 = 169082^2 + 1050017^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1131124423013 - 2¹⁰ = 1131124421989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131124423019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430739138 + ... + 430741763.

It is an arithmetic number, because the mean of its divisors is an integer number (153774341007).

Almost surely, 2^{1131124423013} is an apocalyptic number.

1131124423013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1131124423013 is a deficient number, since it is larger than the sum of its proper divisors (99070305043).

1131124423013 is a wasteful number, since it uses less digits than its factorization.

1131124423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861481015.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1131124423013 its reverse (3103244211311), we get a palindrome (4234368634324).

The spelling of 1131124423013 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-four million, four hundred twenty-three thousand, thirteen".