1023131001 has 4 divisors (see below), whose sum is σ = 1364174672. Its totient is φ = 682087332.

The previous prime is 1023130987. The next prime is 1023131017. The reversal of 1023131001 is 1001313201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1023131001 - 2¹³ = 1023122809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023130001) 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, 170521831 + ... + 170521836.

It is an arithmetic number, because the mean of its divisors is an integer number (341043668).

Almost surely, 2^1023131001 is an apocalyptic number.

It is an amenable number.

1023131001 is a deficient number, since it is larger than the sum of its proper divisors (341043671).

1023131001 is an equidigital number, since it uses as much as digits as its factorization.

1023131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341043670.

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

The square root of 1023131001 is about 31986.4190086981. The cubic root of 1023131001 is about 1007.6516367929.

Adding to 1023131001 its reverse (1001313201), we get a palindrome (2024444202).

The spelling of 1023131001 in words is "one billion, twenty-three million, one hundred thirty-one thousand, one".