5428750031 has 4 divisors (see below), whose sum is σ = 5428908792. Its totient is φ = 5428591272.

The previous prime is 5428750027. The next prime is 5428750069. The reversal of 5428750031 is 1300578245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300578245 = 5 ⋅260115649.

It is a cyclic number.

It is not a de Polignac number, because 5428750031 - 2² = 5428750027 is a prime.

It is a super-2 number, since 2×5428750031² = 58942653798165001922, 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 = 5428749973 and 5428750000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428750331) 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, 4616 + ... + 104301.

It is an arithmetic number, because the mean of its divisors is an integer number (1357227198).

Almost surely, 2^5428750031 is an apocalyptic number.

5428750031 is a deficient number, since it is larger than the sum of its proper divisors (158761).

5428750031 is a wasteful number, since it uses less digits than its factorization.

5428750031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158760.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5428750031 is about 73680.0517847266. The cubic root of 5428750031 is about 1757.5186743974.

The spelling of 5428750031 in words is "five billion, four hundred twenty-eight million, seven hundred fifty thousand, thirty-one".