31200012141231 has 8 divisors (see below), whose sum is σ = 41604569143344. Its totient is φ = 20797731616640.

The previous prime is 31200012141227. The next prime is 31200012141247. The reversal of 31200012141231 is 13214121000213.

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 31200012141231 - 2² = 31200012141227 is a prime.

It is a super-2 number, since 2×31200012141231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31200012141198 and 31200012141207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200012141251) 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, 569087400 + ... + 569142221.

It is an arithmetic number, because the mean of its divisors is an integer number (5200571142918).

Almost surely, 2^{31200012141231} is an apocalyptic number.

31200012141231 is a deficient number, since it is larger than the sum of its proper divisors (10404557002113).

31200012141231 is a wasteful number, since it uses less digits than its factorization.

31200012141231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138238761.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31200012141231 its reverse (13214121000213), we get a palindrome (44414133141444).

The spelling of 31200012141231 in words is "thirty-one trillion, two hundred billion, twelve million, one hundred forty-one thousand, two hundred thirty-one".