31234410322140 has 24 divisors (see below), whose sum is σ = 87456348902160. Its totient is φ = 8329176085888.

The previous prime is 31234410322133. The next prime is 31234410322169. The reversal of 31234410322140 is 4122301443213.

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 = 31234410322098 and 31234410322107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260286752625 + ... + 260286752744.

It is an arithmetic number, because the mean of its divisors is an integer number (3644014537590).

Almost surely, 2^{31234410322140} is an apocalyptic number.

31234410322140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31234410322140 is an abundant number, since it is smaller than the sum of its proper divisors (56221938580020).

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

31234410322140 is a wasteful number, since it uses less digits than its factorization.

31234410322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520573505381 (or 520573505379 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31234410322140 its reverse (4122301443213), we get a palindrome (35356711765353).

The spelling of 31234410322140 in words is "thirty-one trillion, two hundred thirty-four billion, four hundred ten million, three hundred twenty-two thousand, one hundred forty".