101123213031231 has 8 divisors (see below), whose sum is σ = 134953859510064. Its totient is φ = 67354020953280.

The previous prime is 101123213031227. The next prime is 101123213031251. The reversal of 101123213031231 is 132130312321101.

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

It is not a de Polignac number, because 101123213031231 - 2² = 101123213031227 is a prime.

It is a super-2 number, since 2×101123213031231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123213031251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15363596380 + ... + 15363602961.

It is an arithmetic number, because the mean of its divisors is an integer number (16869232438758).

Almost surely, 2^{101123213031231} is an apocalyptic number.

101123213031231 is a deficient number, since it is larger than the sum of its proper divisors (33830646478833).

101123213031231 is a wasteful number, since it uses less digits than its factorization.

101123213031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30727200441.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 101123213031231 its reverse (132130312321101), we get a palindrome (233253525352332).

The spelling of 101123213031231 in words is "one hundred one trillion, one hundred twenty-three billion, two hundred thirteen million, thirty-one thousand, two hundred thirty-one".