101031232011 has 4 divisors (see below), whose sum is σ = 134708309352. Its totient is φ = 67354154672.

The previous prime is 101031232009. The next prime is 101031232013. The reversal of 101031232011 is 110232130101.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (101031232009) and next prime (101031232013).

It is a cyclic number.

It is not a de Polignac number, because 101031232011 - 2¹ = 101031232009 is a prime.

It is a super-2 number, since 2×101031232011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101031232013) 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, 16838538666 + ... + 16838538671.

It is an arithmetic number, because the mean of its divisors is an integer number (33677077338).

Almost surely, 2^101031232011 is an apocalyptic number.

101031232011 is a deficient number, since it is larger than the sum of its proper divisors (33677077341).

101031232011 is an equidigital number, since it uses as much as digits as its factorization.

101031232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33677077340.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101031232011 its reverse (110232130101), we get a palindrome (211263362112).

The spelling of 101031232011 in words is "one hundred one billion, thirty-one million, two hundred thirty-two thousand, eleven".