101130312331 has 4 divisors (see below), whose sum is σ = 103282021152. Its totient is φ = 98978603512.

The previous prime is 101130312329. The next prime is 101130312337. The reversal of 101130312331 is 133213031101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101130312331 - 2¹ = 101130312329 is a prime.

It is a super-2 number, since 2×101130312331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101130312299 and 101130312308.

It is not an unprimeable number, because it can be changed into a prime (101130312337) 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, 1075854340 + ... + 1075854433.

It is an arithmetic number, because the mean of its divisors is an integer number (25820505288).

Almost surely, 2^101130312331 is an apocalyptic number.

101130312331 is a deficient number, since it is larger than the sum of its proper divisors (2151708821).

101130312331 is an equidigital number, since it uses as much as digits as its factorization.

101130312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151708820.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 101130312331 its reverse (133213031101), we get a palindrome (234343343432).

The spelling of 101130312331 in words is "one hundred one billion, one hundred thirty million, three hundred twelve thousand, three hundred thirty-one".