5311213550331 has 32 divisors (see below), whose sum is σ = 7892577188160. Its totient is φ = 3154437748224.

The previous prime is 5311213550329. The next prime is 5311213550333. The reversal of 5311213550331 is 1330553121135.

5311213550331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5311213550329) and next prime (5311213550333).

It is not a de Polignac number, because 5311213550331 - 2¹ = 5311213550329 is a prime.

It is a super-2 number, since 2×5311213550331² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5311213550292 and 5311213550301.

It is not an unprimeable number, because it can be changed into a prime (5311213550333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1792761 + ... + 3719733.

It is an arithmetic number, because the mean of its divisors is an integer number (246643037130).

Almost surely, 2^{5311213550331} is an apocalyptic number.

5311213550331 is a deficient number, since it is larger than the sum of its proper divisors (2581363637829).

5311213550331 is a wasteful number, since it uses less digits than its factorization.

5311213550331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929455.

The product of its (nonzero) digits is 20250, while the sum is 33.

Adding to 5311213550331 its reverse (1330553121135), we get a palindrome (6641766671466).

The spelling of 5311213550331 in words is "five trillion, three hundred eleven billion, two hundred thirteen million, five hundred fifty thousand, three hundred thirty-one".