1211030031001 has 8 divisors (see below), whose sum is σ = 1428680589824. Its totient is φ = 1004541039360.

The previous prime is 1211030030993. The next prime is 1211030031121. The reversal of 1211030031001 is 1001300301121.

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 1211030031001 - 2³ = 1211030030993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211030035001) 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, 2790391560 + ... + 2790391993.

It is an arithmetic number, because the mean of its divisors is an integer number (178585073728).

Almost surely, 2^{1211030031001} is an apocalyptic number.

It is an amenable number.

1211030031001 is a deficient number, since it is larger than the sum of its proper divisors (217650558823).

1211030031001 is an equidigital number, since it uses as much as digits as its factorization.

1211030031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580783591.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1211030031001 its reverse (1001300301121), we get a palindrome (2212330332122).

The spelling of 1211030031001 in words is "one trillion, two hundred eleven billion, thirty million, thirty-one thousand, one".