7072146031 has 2 divisors, whose sum is σ = 7072146032. Its totient is φ = 7072146030.

The previous prime is 7072146023. The next prime is 7072146077. The reversal of 7072146031 is 1306412707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7072146031 - 2³ = 7072146023 is a prime.

It is a super-2 number, since 2×7072146031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7072145984 and 7072146002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7072146091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536073015 + 3536073016.

It is an arithmetic number, because the mean of its divisors is an integer number (3536073016).

Almost surely, 2^7072146031 is an apocalyptic number.

7072146031 is a deficient number, since it is larger than the sum of its proper divisors (1).

7072146031 is an equidigital number, since it uses as much as digits as its factorization.

7072146031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7072146031 is about 84096.0524103242. The cubic root of 7072146031 is about 1919.4806566087.

Adding to 7072146031 its reverse (1306412707), we get a palindrome (8378558738).

The spelling of 7072146031 in words is "seven billion, seventy-two million, one hundred forty-six thousand, thirty-one".