31400550004352 has 16 divisors (see below), whose sum is σ = 62555783212050. Its totient is φ = 15700275002112.

The previous prime is 31400550004349. The next prime is 31400550004361. The reversal of 31400550004352 is 25340005500413.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26168790415936 + 5231759588416 = 5115544^2 + 2287304^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122658398327 + ... + 122658398582.

Almost surely, 2^{31400550004352} is an apocalyptic number.

31400550004352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31400550004352 is a deficient number, since it is larger than the sum of its proper divisors (31155233207698).

31400550004352 is an equidigital number, since it uses as much as digits as its factorization.

31400550004352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245316796923 (or 245316796911 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 31400550004352 its reverse (25340005500413), we get a palindrome (56740555504765).

The spelling of 31400550004352 in words is "thirty-one trillion, four hundred billion, five hundred fifty million, four thousand, three hundred fifty-two".