3620340131 has 4 divisors (see below), whose sum is σ = 3661018200. Its totient is φ = 3579662064.

The previous prime is 3620340103. The next prime is 3620340137. The reversal of 3620340131 is 1310430263.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3620340131 is a prime.

It is a super-2 number, since 2×3620340131² = 26213725328258194322, 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 = 3620340097 and 3620340106.

It is not an unprimeable number, because it can be changed into a prime (3620340137) 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, 20338901 + ... + 20339078.

It is an arithmetic number, because the mean of its divisors is an integer number (915254550).

Almost surely, 2^3620340131 is an apocalyptic number.

3620340131 is a deficient number, since it is larger than the sum of its proper divisors (40678069).

3620340131 is an equidigital number, since it uses as much as digits as its factorization.

3620340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40678068.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3620340131 is about 60169.2623438247. The cubic root of 3620340131 is about 1535.4998963882.

Adding to 3620340131 its reverse (1310430263), we get a palindrome (4930770394).

The spelling of 3620340131 in words is "three billion, six hundred twenty million, three hundred forty thousand, one hundred thirty-one".