31030431214331 has 8 divisors (see below), whose sum is σ = 32225980632384. Its totient is φ = 29856423227400.

The previous prime is 31030431214327. The next prime is 31030431214339. The reversal of 31030431214331 is 13341213403013.

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 31030431214331 - 2² = 31030431214327 is a prime.

It is a super-2 number, since 2×31030431214331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31030431214294 and 31030431214303.

It is not an unprimeable number, because it can be changed into a prime (31030431214339) 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, 5385354845 + ... + 5385360606.

It is an arithmetic number, because the mean of its divisors is an integer number (4028247579048).

Almost surely, 2^{31030431214331} is an apocalyptic number.

31030431214331 is a deficient number, since it is larger than the sum of its proper divisors (1195549418053).

31030431214331 is a wasteful number, since it uses less digits than its factorization.

31030431214331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770715561.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 31030431214331 its reverse (13341213403013), we get a palindrome (44371644617344).

The spelling of 31030431214331 in words is "thirty-one trillion, thirty billion, four hundred thirty-one million, two hundred fourteen thousand, three hundred thirty-one".