31400340001232 has 10 divisors (see below), whose sum is σ = 60838158752418. Its totient is φ = 15700170000608.

The previous prime is 31400340001213. The next prime is 31400340001237. The reversal of 31400340001232 is 23210004300413.

It can be written as a sum of positive squares in only one way, i.e., 28806578214976 + 2593761786256 = 5367176^2 + 1610516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31400340001198 and 31400340001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400340001237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981260625023 + ... + 981260625054.

Almost surely, 2^{31400340001232} is an apocalyptic number.

It is an amenable number.

31400340001232 is a deficient number, since it is larger than the sum of its proper divisors (29437818751186).

31400340001232 is a wasteful number, since it uses less digits than its factorization.

31400340001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962521250085 (or 1962521250079 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31400340001232 its reverse (23210004300413), we get a palindrome (54610344301645).

The spelling of 31400340001232 in words is "thirty-one trillion, four hundred billion, three hundred forty million, one thousand, two hundred thirty-two".