611422131 has 8 divisors (see below), whose sum is σ = 815543440. Its totient is φ = 407457792.

The previous prime is 611422099. The next prime is 611422139. The reversal of 611422131 is 131224116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611422131 - 2⁵ = 611422099 is a prime.

It is a super-2 number, since 2×611422131² = 747674044553162322, 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 = 611422098 and 611422107.

It is not an unprimeable number, because it can be changed into a prime (611422139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29830 + ... + 45963.

It is an arithmetic number, because the mean of its divisors is an integer number (101942930).

Almost surely, 2^611422131 is an apocalyptic number.

611422131 is a deficient number, since it is larger than the sum of its proper divisors (204121309).

611422131 is a wasteful number, since it uses less digits than its factorization.

611422131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78485.

The product of its digits is 288, while the sum is 21.

The square root of 611422131 is about 24726.9515104471. The cubic root of 611422131 is about 848.7511677109.

Adding to 611422131 its reverse (131224116), we get a palindrome (742646247).

The spelling of 611422131 in words is "six hundred eleven million, four hundred twenty-two thousand, one hundred thirty-one".