1023001131 has 8 divisors (see below), whose sum is σ = 1364570064. Its totient is φ = 681716480.

The previous prime is 1023001121. The next prime is 1023001159. The reversal of 1023001131 is 1311003201.

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 1023001131 - 2¹³ = 1022992939 is a prime.

It is a super-2 number, since 2×1023001131² = 2093062628054558322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023001121) 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, 62526 + ... + 77171.

It is an arithmetic number, because the mean of its divisors is an integer number (170571258).

Almost surely, 2^1023001131 is an apocalyptic number.

1023001131 is a deficient number, since it is larger than the sum of its proper divisors (341568933).

1023001131 is a wasteful number, since it uses less digits than its factorization.

1023001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142141.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1023001131 is about 31984.3888639442. The cubic root of 1023001131 is about 1007.6089999408.

Adding to 1023001131 its reverse (1311003201), we get a palindrome (2334004332).

The spelling of 1023001131 in words is "one billion, twenty-three million, one thousand, one hundred thirty-one".