631240023115411 has 8 divisors (see below), whose sum is σ = 634011260839920. Its totient is φ = 628468913487648.

The previous prime is 631240023115409. The next prime is 631240023115439. The reversal of 631240023115411 is 114511320042136.

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

It is a cyclic number.

It is not a de Polignac number, because 631240023115411 - 2¹ = 631240023115409 is a prime.

It is a super-2 number, since 2×631240023115411² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631240023119411) 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, 22140196 + ... + 41864881.

It is an arithmetic number, because the mean of its divisors is an integer number (79251407604990).

Almost surely, 2^{631240023115411} is an apocalyptic number.

631240023115411 is a deficient number, since it is larger than the sum of its proper divisors (2771237724509).

631240023115411 is a wasteful number, since it uses less digits than its factorization.

631240023115411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64048373.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 631240023115411 its reverse (114511320042136), we get a palindrome (745751343157547).

The spelling of 631240023115411 in words is "six hundred thirty-one trillion, two hundred forty billion, twenty-three million, one hundred fifteen thousand, four hundred eleven".