1031201003311 has 4 divisors (see below), whose sum is σ = 1031207506000. Its totient is φ = 1031194500624.

The previous prime is 1031201003297. The next prime is 1031201003353. The reversal of 1031201003311 is 1133001021301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031201003311 - 2³⁷ = 893762049839 is a prime.

It is a super-2 number, since 2×1031201003311² (a number of 25 digits) contains 22 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 (1031201003411) 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, 3007371 + ... + 3332668.

It is an arithmetic number, because the mean of its divisors is an integer number (257801876500).

Almost surely, 2^{1031201003311} is an apocalyptic number.

1031201003311 is a deficient number, since it is larger than the sum of its proper divisors (6502689).

1031201003311 is an equidigital number, since it uses as much as digits as its factorization.

1031201003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502688.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1031201003311 its reverse (1133001021301), we get a palindrome (2164202024612).

The spelling of 1031201003311 in words is "one trillion, thirty-one billion, two hundred one million, three thousand, three hundred eleven".