1020101331 has 16 divisors (see below), whose sum is σ = 1381768704. Its totient is φ = 669270624.

The previous prime is 1020101321. The next prime is 1020101351. The reversal of 1020101331 is 1331010201.

It is a de Polignac number, because none of the positive numbers 2^k-1020101331 is a prime.

It is a super-2 number, since 2×1020101331² = 2081213451015943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020101321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297181 + ... + 300593.

It is an arithmetic number, because the mean of its divisors is an integer number (86360544).

Almost surely, 2^1020101331 is an apocalyptic number.

1020101331 is a deficient number, since it is larger than the sum of its proper divisors (361667373).

1020101331 is a wasteful number, since it uses less digits than its factorization.

1020101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1020101331 is about 31939.0252042857. The cubic root of 1020101331 is about 1006.6560424713.

Adding to 1020101331 its reverse (1331010201), we get a palindrome (2351111532).

The spelling of 1020101331 in words is "one billion, twenty million, one hundred one thousand, three hundred thirty-one".