5311021031 has 8 divisors (see below), whose sum is σ = 5436059904. Its totient is φ = 5186051640.

The previous prime is 5311021021. The next prime is 5311021061. The reversal of 5311021031 is 1301201135.

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-5311021031 is a prime.

It is a super-2 number, since 2×5311021031² = 56413888783448605922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311021021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157826 + ... + 188496.

It is an arithmetic number, because the mean of its divisors is an integer number (679507488).

Almost surely, 2^5311021031 is an apocalyptic number.

5311021031 is a deficient number, since it is larger than the sum of its proper divisors (125038873).

5311021031 is a wasteful number, since it uses less digits than its factorization.

5311021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34741.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 5311021031 is about 72876.7523357072. The cubic root of 5311021031 is about 1744.7210749494.

Adding to 5311021031 its reverse (1301201135), we get a palindrome (6612222166).

The spelling of 5311021031 in words is "five billion, three hundred eleven million, twenty-one thousand, thirty-one".