109231550 has 12 divisors (see below), whose sum is σ = 203170776. Its totient is φ = 43692600.

The previous prime is 109231547. The next prime is 109231553. The reversal of 109231550 is 55132901.

It is an interprime number because it is at equal distance from previous prime (109231547) and next prime (109231553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109231553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1092266 + ... + 1092365.

It is an arithmetic number, because the mean of its divisors is an integer number (16930898).

Almost surely, 2^109231550 is an apocalyptic number.

109231550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109231550 is a deficient number, since it is larger than the sum of its proper divisors (93939226).

109231550 is a wasteful number, since it uses less digits than its factorization.

109231550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184643 (or 2184638 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 109231550 is about 10451.3898597268. The cubic root of 109231550 is about 478.0236299541.

The spelling of 109231550 in words is "one hundred nine million, two hundred thirty-one thousand, five hundred fifty".