31140352040554 has 4 divisors (see below), whose sum is σ = 46710528060834. Its totient is φ = 15570176020276.

The previous prime is 31140352040461. The next prime is 31140352040597. The reversal of 31140352040554 is 45504025304113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17350098969025 + 13790253071529 = 4165345^2 + 3713523^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7785088010137 + ... + 7785088010140.

Almost surely, 2^{31140352040554} is an apocalyptic number.

31140352040554 is a deficient number, since it is larger than the sum of its proper divisors (15570176020280).

31140352040554 is a wasteful number, since it uses less digits than its factorization.

31140352040554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15570176020279.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 31140352040554 its reverse (45504025304113), we get a palindrome (76644377344667).

The spelling of 31140352040554 in words is "thirty-one trillion, one hundred forty billion, three hundred fifty-two million, forty thousand, five hundred fifty-four".