2055312431 has 8 divisors (see below), whose sum is σ = 2123802624. Its totient is φ = 1986959160.

The previous prime is 2055312419. The next prime is 2055312437. The reversal of 2055312431 is 1342135502.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055312431 is a prime.

It is a super-2 number, since 2×2055312431² = 8448618378046259522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055312431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055312437) 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, 3251 + ... + 64196.

It is an arithmetic number, because the mean of its divisors is an integer number (265475328).

Almost surely, 2^2055312431 is an apocalyptic number.

2055312431 is a deficient number, since it is larger than the sum of its proper divisors (68490193).

2055312431 is an equidigital number, since it uses as much as digits as its factorization.

2055312431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68461.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2055312431 is about 45335.5537189081. The cubic root of 2055312431 is about 1271.4304734421.

Adding to 2055312431 its reverse (1342135502), we get a palindrome (3397447933).

The spelling of 2055312431 in words is "two billion, fifty-five million, three hundred twelve thousand, four hundred thirty-one".