31422001202040 has 128 divisors (see below), whose sum is σ = 96171982732800. Its totient is φ = 8210693291520.

The previous prime is 31422001202029. The next prime is 31422001202071. The reversal of 31422001202040 is 4020210022413.

It is a junction number, because it is equal to n+sod(n) for n = 31422001201998 and 31422001202016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4933387 + ... + 9337146.

It is an arithmetic number, because the mean of its divisors is an integer number (751343615100).

Almost surely, 2^{31422001202040} is an apocalyptic number.

31422001202040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31422001202040 is an abundant number, since it is smaller than the sum of its proper divisors (64749981530760).

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

31422001202040 is a wasteful number, since it uses less digits than its factorization.

31422001202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14270917 (or 14270913 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 31422001202040 its reverse (4020210022413), we get a palindrome (35442211224453).

The spelling of 31422001202040 in words is "thirty-one trillion, four hundred twenty-two billion, one million, two hundred two thousand, forty".