31401342403113 has 16 divisors (see below), whose sum is σ = 41926473940736. Its totient is φ = 20905220793600.

The previous prime is 31401342403073. The next prime is 31401342403127. The reversal of 31401342403113 is 31130424310413.

It is not a de Polignac number, because 31401342403113 - 2⁶ = 31401342403049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31401342403133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126289713 + ... + 126538113.

It is an arithmetic number, because the mean of its divisors is an integer number (2620404621296).

Almost surely, 2^{31401342403113} is an apocalyptic number.

It is an amenable number.

31401342403113 is a deficient number, since it is larger than the sum of its proper divisors (10525131537623).

31401342403113 is a wasteful number, since it uses less digits than its factorization.

31401342403113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306624.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 31401342403113 its reverse (31130424310413), we get a palindrome (62531766713526).

The spelling of 31401342403113 in words is "thirty-one trillion, four hundred one billion, three hundred forty-two million, four hundred three thousand, one hundred thirteen".