5551351431 has 8 divisors (see below), whose sum is σ = 7413315840. Its totient is φ = 3695143992.

The previous prime is 5551351427. The next prime is 5551351439. The reversal of 5551351431 is 1341531555.

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

It is not a de Polignac number, because 5551351431 - 2² = 5551351427 is a prime.

It is a super-2 number, since 2×5551351431² = 61635005420931495522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5551351392 and 5551351401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551351439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436991 + ... + 1440848.

It is an arithmetic number, because the mean of its divisors is an integer number (926664480).

Almost surely, 2^5551351431 is an apocalyptic number.

5551351431 is a deficient number, since it is larger than the sum of its proper divisors (1861964409).

5551351431 is a wasteful number, since it uses less digits than its factorization.

5551351431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878485.

The product of its digits is 22500, while the sum is 33.

The square root of 5551351431 is about 74507.3917876609. The cubic root of 5551351431 is about 1770.6507476657.

Adding to 5551351431 its reverse (1341531555), we get a palindrome (6892882986).

The spelling of 5551351431 in words is "five billion, five hundred fifty-one million, three hundred fifty-one thousand, four hundred thirty-one".