102021303131 has 8 divisors (see below), whose sum is σ = 111300458304. Its totient is φ = 92742896520.

The previous prime is 102021303127. The next prime is 102021303133. The reversal of 102021303131 is 131303120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102021303131 - 2² = 102021303127 is a prime.

It is a super-2 number, since 2×102021303131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021303133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119720 + ... + 467306.

It is an arithmetic number, because the mean of its divisors is an integer number (13912557288).

Almost surely, 2^102021303131 is an apocalyptic number.

102021303131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102021303131 is a deficient number, since it is larger than the sum of its proper divisors (9279155173).

102021303131 is a wasteful number, since it uses less digits than its factorization.

102021303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374281.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102021303131 its reverse (131303120201), we get a palindrome (233324423332).

The spelling of 102021303131 in words is "one hundred two billion, twenty-one million, three hundred three thousand, one hundred thirty-one".