101311234 has 4 divisors (see below), whose sum is σ = 151966854. Its totient is φ = 50655616.

The previous prime is 101311219. The next prime is 101311237. The reversal of 101311234 is 432113101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432113101 = 7 ⋅61730443.

It can be written as a sum of positive squares in only one way, i.e., 97121025 + 4190209 = 9855^2 + 2047^2 .

It is a super-2 number, since 2×101311234² = 20527932269205512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101311237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25327807 + ... + 25327810.

Almost surely, 2^101311234 is an apocalyptic number.

101311234 is a deficient number, since it is larger than the sum of its proper divisors (50655620).

101311234 is an equidigital number, since it uses as much as digits as its factorization.

101311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50655619.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 101311234 is about 10065.3481807635. The cubic root of 101311234 is about 466.1788165999.

Adding to 101311234 its reverse (432113101), we get a palindrome (533424335).

The spelling of 101311234 in words is "one hundred one million, three hundred eleven thousand, two hundred thirty-four".