312010432231240 has 32 divisors (see below), whose sum is σ = 702039573101880. Its totient is φ = 124801310566912.

The previous prime is 312010432231217. The next prime is 312010432231249. The reversal of 312010432231240 is 42132234010213.

It can be written as a sum of positive squares in 4 ways, for example, as 199766959603236 + 112243472628004 = 14133894^2 + 10594502^2 .

It is a super-2 number, since 2×312010432231240² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312010432231199 and 312010432231208.

It is not an unprimeable number, because it can be changed into a prime (312010432231249) 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, 87681349 + ... + 91170388.

Almost surely, 2^{312010432231240} is an apocalyptic number.

It is an amenable number.

312010432231240 is an abundant number, since it is smaller than the sum of its proper divisors (390029140870640).

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

312010432231240 is a wasteful number, since it uses less digits than its factorization.

312010432231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178895361 (or 178895357 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312010432231240 its reverse (42132234010213), we get a palindrome (354142666241453).

The spelling of 312010432231240 in words is "three hundred twelve trillion, ten billion, four hundred thirty-two million, two hundred thirty-one thousand, two hundred forty".