2103011201231 has 4 divisors (see below), whose sum is σ = 2142690657912. Its totient is φ = 2063331744552.

The previous prime is 2103011201219. The next prime is 2103011201261. The reversal of 2103011201231 is 1321021103012.

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 2103011201231 - 2¹⁰ = 2103011200207 is a prime.

It is a super-2 number, since 2×2103011201231² (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 (2103011201261) 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, 19839728261 + ... + 19839728366.

It is an arithmetic number, because the mean of its divisors is an integer number (535672664478).

Almost surely, 2^{2103011201231} is an apocalyptic number.

2103011201231 is a deficient number, since it is larger than the sum of its proper divisors (39679456681).

2103011201231 is an equidigital number, since it uses as much as digits as its factorization.

2103011201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39679456680.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2103011201231 its reverse (1321021103012), we get a palindrome (3424032304243).

The spelling of 2103011201231 in words is "two trillion, one hundred three billion, eleven million, two hundred one thousand, two hundred thirty-one".