31000002030213 has 64 divisors (see below), whose sum is σ = 45050424459264. Its totient is φ = 18884337408000.

The previous prime is 31000002030211. The next prime is 31000002030251. The reversal of 31000002030213 is 31203020000013.

It is not a de Polignac number, because 31000002030213 - 2¹ = 31000002030211 is a prime.

It is a super-2 number, since 2×31000002030213² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31000002030192 and 31000002030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000002030211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 488996748 + ... + 489060138.

It is an arithmetic number, because the mean of its divisors is an integer number (703912882176).

Almost surely, 2^{31000002030213} is an apocalyptic number.

It is an amenable number.

31000002030213 is a deficient number, since it is larger than the sum of its proper divisors (14050422429051).

31000002030213 is a wasteful number, since it uses less digits than its factorization.

31000002030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64586.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31000002030213 its reverse (31203020000013), we get a palindrome (62203022030226).

The spelling of 31000002030213 in words is "thirty-one trillion, two million, thirty thousand, two hundred thirteen".