101020311331 has 2 divisors, whose sum is σ = 101020311332. Its totient is φ = 101020311330.

The previous prime is 101020311317. The next prime is 101020311341. The reversal of 101020311331 is 133113020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101020311331 - 2¹¹ = 101020309283 is a prime.

It is a super-2 number, since 2×101020311331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101020311341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510155665 + 50510155666.

It is an arithmetic number, because the mean of its divisors is an integer number (50510155666).

Almost surely, 2^101020311331 is an apocalyptic number.

101020311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020311331 is an equidigital number, since it uses as much as digits as its factorization.

101020311331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 101020311331 its reverse (133113020101), we get a palindrome (234133331432).

The spelling of 101020311331 in words is "one hundred one billion, twenty million, three hundred eleven thousand, three hundred thirty-one".