5311622131 has 6 divisors (see below), whose sum is σ = 5385386220. Its totient is φ = 5238854928.

The previous prime is 5311622111. The next prime is 5311622191. The reversal of 5311622131 is 1312261135.

It is a happy number.

It is not a de Polignac number, because 5311622131 - 2⁹ = 5311621619 is a prime.

It is a super-2 number, since 2×5311622131² = 56426659325057962322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5311622096 and 5311622105.

It is not an unprimeable number, because it can be changed into a prime (5311622111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 493041 + ... + 503698.

It is an arithmetic number, because the mean of its divisors is an integer number (897564370).

Almost surely, 2^5311622131 is an apocalyptic number.

5311622131 is a deficient number, since it is larger than the sum of its proper divisors (73764089).

5311622131 is an frugal number, since it uses more digits than its factorization.

5311622131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996885 (or 996812 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 5311622131 is about 72880.8763051049. The cubic root of 5311622131 is about 1744.7868948277.

Adding to 5311622131 its reverse (1312261135), we get a palindrome (6623883266).

The spelling of 5311622131 in words is "five billion, three hundred eleven million, six hundred twenty-two thousand, one hundred thirty-one".