31440125351101 has 8 divisors (see below), whose sum is σ = 33865380463104. Its totient is φ = 29103061334160.

The previous prime is 31440125351057. The next prime is 31440125351119. The reversal of 31440125351101 is 10115352104413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31440125351101 - 2¹⁹ = 31440124826813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440125351171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22047773026 + ... + 22047774451.

It is an arithmetic number, because the mean of its divisors is an integer number (4233172557888).

Almost surely, 2^{31440125351101} is an apocalyptic number.

31440125351101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31440125351101 is a deficient number, since it is larger than the sum of its proper divisors (2425255112003).

31440125351101 is a wasteful number, since it uses less digits than its factorization.

31440125351101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44095547531.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 31440125351101 its reverse (10115352104413), we get a palindrome (41555477455514).

The spelling of 31440125351101 in words is "thirty-one trillion, four hundred forty billion, one hundred twenty-five million, three hundred fifty-one thousand, one hundred one".