31343343410000 has 100 divisors (see below), whose sum is σ = 76368718852932. Its totient is φ = 12457481088000.

The previous prime is 31343343409979. The next prime is 31343343410009. The reversal of 31343343410000 is 1434334313.

It can be written as a sum of positive squares in 10 ways, for example, as 27138973602064 + 4204369807936 = 5209508^2 + 2050456^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×31343343410000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343343410009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8411957 + ... + 11551956.

Almost surely, 2^{31343343410000} is an apocalyptic number.

It is an amenable number.

31343343410000 is an abundant number, since it is smaller than the sum of its proper divisors (45025375442932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31343343410000 is a wasteful number, since it uses less digits than its factorization.

31343343410000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964098 (or 19964077 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 31343343410000 its reverse (1434334313), we get a palindrome (31344777744313).

The spelling of 31343343410000 in words is "thirty-one trillion, three hundred forty-three billion, three hundred forty-three million, four hundred ten thousand".