312432141 has 16 divisors (see below), whose sum is σ = 476878464. Its totient is φ = 178235904.

The previous prime is 312432139. The next prime is 312432151. The reversal of 312432141 is 141234213.

It is not a de Polignac number, because 312432141 - 2¹ = 312432139 is a prime.

It is a super-2 number, since 2×312432141² = 195227685459687762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312432101) 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, 901 + ... + 25013.

It is an arithmetic number, because the mean of its divisors is an integer number (29804904).

Almost surely, 2^312432141 is an apocalyptic number.

It is an amenable number.

312432141 is a deficient number, since it is larger than the sum of its proper divisors (164446323).

312432141 is a wasteful number, since it uses less digits than its factorization.

312432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24740.

The product of its digits is 576, while the sum is 21.

The square root of 312432141 is about 17675.7500830941. The cubic root of 312432141 is about 678.5552812155. Note that the first 3 decimals are identical.

Adding to 312432141 its reverse (141234213), we get a palindrome (453666354).

The spelling of 312432141 in words is "three hundred twelve million, four hundred thirty-two thousand, one hundred forty-one".