231155102 has 16 divisors (see below), whose sum is σ = 365874000. Its totient is φ = 109226880.

The previous prime is 231155087. The next prime is 231155107. The reversal of 231155102 is 201551132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231155107) 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, 8774 + ... + 23222.

It is an arithmetic number, because the mean of its divisors is an integer number (22867125).

Almost surely, 2^231155102 is an apocalyptic number.

231155102 is a deficient number, since it is larger than the sum of its proper divisors (134718898).

231155102 is a wasteful number, since it uses less digits than its factorization.

231155102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 231155102 is about 15203.7857785487. The cubic root of 231155102 is about 613.7165398915.

The spelling of 231155102 in words is "two hundred thirty-one million, one hundred fifty-five thousand, one hundred two".