7012020731 has 4 divisors (see below), whose sum is σ = 7130868600. Its totient is φ = 6893172864.

The previous prime is 7012020703. The next prime is 7012020739. The reversal of 7012020731 is 1370202107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7012020731 - 2⁶ = 7012020667 is a prime.

It is a super-2 number, since 2×7012020731² = 98336869463947548722, 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 = 7012020697 and 7012020706.

It is not an unprimeable number, because it can be changed into a prime (7012020739) 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, 59423846 + ... + 59423963.

It is an arithmetic number, because the mean of its divisors is an integer number (1782717150).

Almost surely, 2^7012020731 is an apocalyptic number.

7012020731 is a deficient number, since it is larger than the sum of its proper divisors (118847869).

7012020731 is a wasteful number, since it uses less digits than its factorization.

7012020731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118847868.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 7012020731 is about 83737.8094471070. The cubic root of 7012020731 is about 1914.0255485395.

Adding to 7012020731 its reverse (1370202107), we get a palindrome (8382222838).

The spelling of 7012020731 in words is "seven billion, twelve million, twenty thousand, seven hundred thirty-one".