101431322 has 4 divisors (see below), whose sum is σ = 152146986. Its totient is φ = 50715660.

The previous prime is 101431313. The next prime is 101431397. The reversal of 101431322 is 223134101.

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

It can be written as a sum of positive squares in only one way, i.e., 60202081 + 41229241 = 7759^2 + 6421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101431322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25357829 + ... + 25357832.

Almost surely, 2^101431322 is an apocalyptic number.

101431322 is a deficient number, since it is larger than the sum of its proper divisors (50715664).

101431322 is an equidigital number, since it uses as much as digits as its factorization.

101431322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50715663.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 101431322 is about 10071.3118311370. The cubic root of 101431322 is about 466.3629369411.

Adding to 101431322 its reverse (223134101), we get a palindrome (324565423).

The spelling of 101431322 in words is "one hundred one million, four hundred thirty-one thousand, three hundred twenty-two".