31214404010040 has 128 divisors (see below), whose sum is σ = 95407858877760. Its totient is φ = 8168141205504.

The previous prime is 31214404010039. The next prime is 31214404010057. The reversal of 31214404010040 is 4001040441213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7318159 + ... + 10769598.

Almost surely, 2^{31214404010040} is an apocalyptic number.

31214404010040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31214404010040 is an abundant number, since it is smaller than the sum of its proper divisors (64193454867720).

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

31214404010040 is a wasteful number, since it uses less digits than its factorization.

31214404010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18088041 (or 18088037 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31214404010040 its reverse (4001040441213), we get a palindrome (35215444451253).

The spelling of 31214404010040 in words is "thirty-one trillion, two hundred fourteen billion, four hundred four million, ten thousand, forty".