1231001301 has 8 divisors (see below), whose sum is σ = 1641621664. Its totient is φ = 820524240.

The previous prime is 1231001273. The next prime is 1231001327. The reversal of 1231001301 is 1031001321.

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

It is not a de Polignac number, because 1231001301 - 2⁹ = 1231000789 is a prime.

It is a super-3 number, since 3×1231001301³ (a number of 28 digits) contains 333 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 (1231001381) 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, 13855 + ... + 51516.

It is an arithmetic number, because the mean of its divisors is an integer number (205202708).

Almost surely, 2^1231001301 is an apocalyptic number.

It is an amenable number.

1231001301 is a deficient number, since it is larger than the sum of its proper divisors (410620363).

1231001301 is an equidigital number, since it uses as much as digits as its factorization.

1231001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71651.

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

The square root of 1231001301 is about 35085.6281260575. The cubic root of 1231001301 is about 1071.7319320829.

Adding to 1231001301 its reverse (1031001321), we get a palindrome (2262002622).

The spelling of 1231001301 in words is "one billion, two hundred thirty-one million, one thousand, three hundred one".