106142631 has 16 divisors (see below), whose sum is σ = 168774144. Its totient is φ = 58015584.

The previous prime is 106142627. The next prime is 106142651. The reversal of 106142631 is 136241601.

It is not a de Polignac number, because 106142631 - 2² = 106142627 is a prime.

It is a super-2 number, since 2×106142631² = 22532516231204322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106142651) 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, 109396 + ... + 110361.

It is an arithmetic number, because the mean of its divisors is an integer number (10548384).

Almost surely, 2^106142631 is an apocalyptic number.

106142631 is a deficient number, since it is larger than the sum of its proper divisors (62631513).

106142631 is a wasteful number, since it uses less digits than its factorization.

106142631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219790.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 106142631 is about 10302.5545861209. The cubic root of 106142631 is about 473.4745240485.

The spelling of 106142631 in words is "one hundred six million, one hundred forty-two thousand, six hundred thirty-one".