101021313131 has 8 divisors (see below), whose sum is σ = 102695309520. Its totient is φ = 99352205568.

The previous prime is 101021313119. The next prime is 101021313137. The reversal of 101021313131 is 131313120101.

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 101021313131 - 2⁶ = 101021313067 is a prime.

It is a super-2 number, since 2×101021313131² (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 (101021313137) 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, 1180526 + ... + 1263203.

It is an arithmetic number, because the mean of its divisors is an integer number (12836913690).

Almost surely, 2^101021313131 is an apocalyptic number.

101021313131 is a deficient number, since it is larger than the sum of its proper divisors (1673996389).

101021313131 is an equidigital number, since it uses as much as digits as its factorization.

101021313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444413.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 101021313131 its reverse (131313120101), we get a palindrome (232334433232).

The spelling of 101021313131 in words is "one hundred one billion, twenty-one million, three hundred thirteen thousand, one hundred thirty-one".