31226101 has 8 divisors (see below), whose sum is σ = 33029600. Its totient is φ = 29438640.

The previous prime is 31226089. The next prime is 31226119. The reversal of 31226101 is 10162213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31226101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31226191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 7903.

It is an arithmetic number, because the mean of its divisors is an integer number (4128700).

Almost surely, 2^31226101 is an apocalyptic number.

It is an amenable number.

31226101 is a deficient number, since it is larger than the sum of its proper divisors (1803499).

31226101 is a wasteful number, since it uses less digits than its factorization.

31226101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019.

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

The square root of 31226101 is about 5588.0319433589. The cubic root of 31226101 is about 314.8999463874.

Adding to 31226101 its reverse (10162213), we get a palindrome (41388314).

The spelling of 31226101 in words is "thirty-one million, two hundred twenty-six thousand, one hundred one".