31113241232340 has 48 divisors (see below), whose sum is σ = 87119532868032. Its totient is φ = 8296630288896.

The previous prime is 31113241232221. The next prime is 31113241232341. The reversal of 31113241232340 is 4323214231113.

It is a super-3 number, since 3×31113241232340³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 31113241232298 and 31113241232307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113241232341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5163754 + ... + 9428193.

It is an arithmetic number, because the mean of its divisors is an integer number (1814990268084).

Almost surely, 2^{31113241232340} is an apocalyptic number.

31113241232340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31113241232340 is an abundant number, since it is smaller than the sum of its proper divisors (56006291635692).

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

31113241232340 is a wasteful number, since it uses less digits than its factorization.

31113241232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14627496 (or 14627494 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 31113241232340 its reverse (4323214231113), we get a palindrome (35436455463453).

The spelling of 31113241232340 in words is "thirty-one trillion, one hundred thirteen billion, two hundred forty-one million, two hundred thirty-two thousand, three hundred forty".