611142312 has 32 divisors (see below), whose sum is σ = 1666752480. Its totient is φ = 185194560.

The previous prime is 611142293. The next prime is 611142319. The reversal of 611142312 is 213241116.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (611142319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157203 + ... + 1157730.

It is an arithmetic number, because the mean of its divisors is an integer number (52086015).

Almost surely, 2^611142312 is an apocalyptic number.

It is an amenable number.

611142312 is an abundant number, since it is smaller than the sum of its proper divisors (1055610168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611142312 is a wasteful number, since it uses less digits than its factorization.

611142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314953 (or 2314949 counting only the distinct ones).

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

The square root of 611142312 is about 24721.2926846474. The cubic root of 611142312 is about 848.6216701944.

Adding to 611142312 its reverse (213241116), we get a palindrome (824383428).

The spelling of 611142312 in words is "six hundred eleven million, one hundred forty-two thousand, three hundred twelve".