2303020400311 has 12 divisors (see below), whose sum is σ = 2368368690408. Its totient is φ = 2239430189472.

The previous prime is 2303020400287. The next prime is 2303020400341. The reversal of 2303020400311 is 1130040203032.

It is not a de Polignac number, because 2303020400311 - 2¹⁹ = 2303019876023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303020400341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1777545 + ... + 2786701.

It is an arithmetic number, because the mean of its divisors is an integer number (197364057534).

Almost surely, 2^{2303020400311} is an apocalyptic number.

2303020400311 is a deficient number, since it is larger than the sum of its proper divisors (65348290097).

2303020400311 is a wasteful number, since it uses less digits than its factorization.

2303020400311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010898 (or 1010861 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2303020400311 its reverse (1130040203032), we get a palindrome (3433060603343).

The spelling of 2303020400311 in words is "two trillion, three hundred three billion, twenty million, four hundred thousand, three hundred eleven".