101010131321 has 4 divisors (see below), whose sum is σ = 110192870544. Its totient is φ = 91827392100.

The previous prime is 101010131221. The next prime is 101010131351. The reversal of 101010131321 is 123131010101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101010131321 - 2¹⁴ = 101010114937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010131296 and 101010131305.

It is not an unprimeable number, because it can be changed into a prime (101010131351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591369595 + ... + 4591369616.

It is an arithmetic number, because the mean of its divisors is an integer number (27548217636).

Almost surely, 2^101010131321 is an apocalyptic number.

101010131321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101010131321 is a deficient number, since it is larger than the sum of its proper divisors (9182739223).

101010131321 is an equidigital number, since it uses as much as digits as its factorization.

101010131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182739222.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101010131321 its reverse (123131010101), we get a palindrome (224141141422).

The spelling of 101010131321 in words is "one hundred one billion, ten million, one hundred thirty-one thousand, three hundred twenty-one".