102355631 has 8 divisors (see below), whose sum is σ = 117317760. Its totient is φ = 87478488.

The previous prime is 102355597. The next prime is 102355637. The reversal of 102355631 is 136553201.

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

It is a cyclic number.

It is not a de Polignac number, because 102355631 - 2¹⁴ = 102339247 is a prime.

It is a super-2 number, since 2×102355631² = 20953350394816322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102355631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102355637) 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, 18641 + ... + 23498.

It is an arithmetic number, because the mean of its divisors is an integer number (14664720).

Almost surely, 2^102355631 is an apocalyptic number.

102355631 is a deficient number, since it is larger than the sum of its proper divisors (14962129).

102355631 is an equidigital number, since it uses as much as digits as its factorization.

102355631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42493.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 102355631 is about 10117.0959766131. The cubic root of 102355631 is about 467.7752576530.

The spelling of 102355631 in words is "one hundred two million, three hundred fifty-five thousand, six hundred thirty-one".