2101302928531 has 2 divisors, whose sum is σ = 2101302928532. Its totient is φ = 2101302928530.

The previous prime is 2101302928477. The next prime is 2101302928537. The reversal of 2101302928531 is 1358292031012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101302928531 - 2²⁹ = 2100766057619 is a prime.

It is a super-2 number, since 2×2101302928531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101302928537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050651464265 + 1050651464266.

It is an arithmetic number, because the mean of its divisors is an integer number (1050651464266).

Almost surely, 2^{2101302928531} is an apocalyptic number.

2101302928531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101302928531 is an equidigital number, since it uses as much as digits as its factorization.

2101302928531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 2101302928531 its reverse (1358292031012), we get a palindrome (3459594959543).

The spelling of 2101302928531 in words is "two trillion, one hundred one billion, three hundred two million, nine hundred twenty-eight thousand, five hundred thirty-one".