7216031401 has 16 divisors (see below), whose sum is σ = 7630329600. Its totient is φ = 6813025408.

The previous prime is 7216031393. The next prime is 7216031443. The reversal of 7216031401 is 1041306127.

It is a cyclic number.

It is not a de Polignac number, because 7216031401 - 2³ = 7216031393 is a prime.

It is a super-2 number, since 2×7216031401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7216034401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2933310 + ... + 2935768.

It is an arithmetic number, because the mean of its divisors is an integer number (476895600).

Almost surely, 2^7216031401 is an apocalyptic number.

It is an amenable number.

7216031401 is a deficient number, since it is larger than the sum of its proper divisors (414298199).

7216031401 is a wasteful number, since it uses less digits than its factorization.

7216031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7216031401 is about 84947.2271530978. The cubic root of 7216031401 is about 1932.4108686445.

Adding to 7216031401 its reverse (1041306127), we get a palindrome (8257337528).

The spelling of 7216031401 in words is "seven billion, two hundred sixteen million, thirty-one thousand, four hundred one".