31425351320000 has 280 divisors, whose sum is σ = 85113239132592. Its totient is φ = 11413350400000.

The previous prime is 31425351319991. The next prime is 31425351320009. The reversal of 31425351320000 is 2315352413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31425351319991) and next prime (31425351320009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425351320009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 361196504 + ... + 361283496.

Almost surely, 2^{31425351320000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31425351320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42556619566296).

31425351320000 is an abundant number, since it is smaller than the sum of its proper divisors (53687887812592).

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

31425351320000 is an equidigital number, since it uses as much as digits as its factorization.

31425351320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87857 (or 87832 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 31425351320000 its reverse (2315352413), we get a palindrome (31427666672413).

The spelling of 31425351320000 in words is "thirty-one trillion, four hundred twenty-five billion, three hundred fifty-one million, three hundred twenty thousand".