101131602 has 64 divisors (see below), whose sum is σ = 239016960. Its totient is φ = 28123200.

The previous prime is 101131577. The next prime is 101131627. The reversal of 101131602 is 206131101.

It is an interprime number because it is at equal distance from previous prime (101131577) and next prime (101131627).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266649 + ... + 267027.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^101131602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101131602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119508480).

101131602 is an abundant number, since it is smaller than the sum of its proper divisors (137885358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101131602 is a wasteful number, since it uses less digits than its factorization.

101131602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 101131602 is about 10056.4209339108. The cubic root of 101131602 is about 465.9031309022.

Adding to 101131602 its reverse (206131101), we get a palindrome (307262703).

The spelling of 101131602 in words is "one hundred one million, one hundred thirty-one thousand, six hundred two".