101131851 has 16 divisors (see below), whose sum is σ = 148112640. Its totient is φ = 61094880.

The previous prime is 101131847. The next prime is 101131859. The reversal of 101131851 is 158131101.

It is a happy number.

It is not a de Polignac number, because 101131851 - 2² = 101131847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101131859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37260 + ... + 39881.

It is an arithmetic number, because the mean of its divisors is an integer number (9257040).

Almost surely, 2^101131851 is an apocalyptic number.

101131851 is a deficient number, since it is larger than the sum of its proper divisors (46980789).

101131851 is a wasteful number, since it uses less digits than its factorization.

101131851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77186.

The product of its (nonzero) digits is 120, while the sum is 21.

The square root of 101131851 is about 10056.4333140532. The cubic root of 101131851 is about 465.9035132746.

Adding to 101131851 its reverse (158131101), we get a palindrome (259262952).

The spelling of 101131851 in words is "one hundred one million, one hundred thirty-one thousand, eight hundred fifty-one".