131020007 has 2 divisors, whose sum is σ = 131020008. Its totient is φ = 131020006.

The previous prime is 131019979. The next prime is 131020013. The reversal of 131020007 is 700020131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131020007 - 2⁸ = 131019751 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 131019973 and 131020000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131023007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510003 + 65510004.

It is an arithmetic number, because the mean of its divisors is an integer number (65510004).

Almost surely, 2^131020007 is an apocalyptic number.

131020007 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020007 is an equidigital number, since it uses as much as digits as its factorization.

131020007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 131020007 is about 11446.3971187444. The cubic root of 131020007 is about 507.9011616149.

Adding to 131020007 its reverse (700020131), we get a palindrome (831040138).

The spelling of 131020007 in words is "one hundred thirty-one million, twenty thousand, seven".