1320023001131 has 8 divisors (see below), whose sum is σ = 1377426898080. Its totient is φ = 1262620070272.

The previous prime is 1320023001113. The next prime is 1320023001149. The reversal of 1320023001131 is 1311003200231.

It is an interprime number because it is at equal distance from previous prime (1320023001113) and next prime (1320023001149).

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-1320023001131 is a prime.

It is a super-2 number, since 2×1320023001131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320023001431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4715321 + ... + 4987413.

It is an arithmetic number, because the mean of its divisors is an integer number (172178362260).

Almost surely, 2^{1320023001131} is an apocalyptic number.

1320023001131 is a deficient number, since it is larger than the sum of its proper divisors (57403896949).

1320023001131 is a wasteful number, since it uses less digits than its factorization.

1320023001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483045.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1320023001131 its reverse (1311003200231), we get a palindrome (2631026201362).

The spelling of 1320023001131 in words is "one trillion, three hundred twenty billion, twenty-three million, one thousand, one hundred thirty-one".