31400650421400 has 384 divisors, whose sum is σ = 106660523289600. Its totient is φ = 7594988544000.

The previous prime is 31400650421363. The next prime is 31400650421401. The reversal of 31400650421400 is 412405600413.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400650421401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209487681 + ... + 209637519.

It is an arithmetic number, because the mean of its divisors is an integer number (277761779400).

Almost surely, 2^{31400650421400} is an apocalyptic number.

31400650421400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31400650421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53330261644800).

31400650421400 is an abundant number, since it is smaller than the sum of its proper divisors (75259872868200).

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

31400650421400 is a wasteful number, since it uses less digits than its factorization.

31400650421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150339 (or 150330 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 31400650421400 in words is "thirty-one trillion, four hundred billion, six hundred fifty million, four hundred twenty-one thousand, four hundred".