31214452413506 has 8 divisors (see below), whose sum is σ = 49575895009740. Its totient is φ = 14689154076928.

The previous prime is 31214452413491. The next prime is 31214452413541. The reversal of 31214452413506 is 60531425441213.

It can be written as a sum of positive squares in 2 ways, for example, as 29929269685225 + 1285182728281 = 5470765^2 + 1133659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31214452413506² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459036064871 + ... + 459036064938.

Almost surely, 2^{31214452413506} is an apocalyptic number.

31214452413506 is a deficient number, since it is larger than the sum of its proper divisors (18361442596234).

31214452413506 is a wasteful number, since it uses less digits than its factorization.

31214452413506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918072129828.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 31214452413506 its reverse (60531425441213), we get a palindrome (91745877854719).

The spelling of 31214452413506 in words is "thirty-one trillion, two hundred fourteen billion, four hundred fifty-two million, four hundred thirteen thousand, five hundred six".