2131031101607 has 2 divisors, whose sum is σ = 2131031101608. Its totient is φ = 2131031101606.

The previous prime is 2131031101603. The next prime is 2131031101621. The reversal of 2131031101607 is 7061011301312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131031101607 - 2² = 2131031101603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131031101601) 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 as a sum of consecutive naturals, namely, 1065515550803 + 1065515550804.

It is an arithmetic number, because the mean of its divisors is an integer number (1065515550804).

Almost surely, 2^{2131031101607} is an apocalyptic number.

2131031101607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131031101607 is an equidigital number, since it uses as much as digits as its factorization.

2131031101607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 2131031101607 its reverse (7061011301312), we get a palindrome (9192042402919).

The spelling of 2131031101607 in words is "two trillion, one hundred thirty-one billion, thirty-one million, one hundred one thousand, six hundred seven".