1201313012031 has 18 divisors (see below), whose sum is σ = 1907318824320. Its totient is φ = 728068491480.

The previous prime is 1201313011999. The next prime is 1201313012033. The reversal of 1201313012031 is 1302103131021.

1201313012031 is a `hidden beast` number, since 1 + 201 + 313 + 0 + 120 + 31 = 666.

It is not a de Polignac number, because 1201313012031 - 2⁵ = 1201313011999 is a prime.

It is a super-2 number, since 2×1201313012031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201313011995 and 1201313012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201313012033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 551565951 + ... + 551568128.

Almost surely, 2^{1201313012031} is an apocalyptic number.

1201313012031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201313012031 is a deficient number, since it is larger than the sum of its proper divisors (706005812289).

1201313012031 is a wasteful number, since it uses less digits than its factorization.

1201313012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103134107 (or 1103134093 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1201313012031 its reverse (1302103131021), we get a palindrome (2503416143052).

The spelling of 1201313012031 in words is "one trillion, two hundred one billion, three hundred thirteen million, twelve thousand, thirty-one".