103137401781 has 12 divisors (see below), whose sum is σ = 148980275808. Its totient is φ = 68756408424.

The previous prime is 103137401737. The next prime is 103137401831. The reversal of 103137401781 is 187104731301.

It is not a de Polignac number, because 103137401781 - 2¹⁰ = 103137400757 is a prime.

It is a super-2 number, since 2×103137401781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103137401701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252816 + ... + 519798.

It is an arithmetic number, because the mean of its divisors is an integer number (12415022984).

Almost surely, 2^103137401781 is an apocalyptic number.

It is an amenable number.

103137401781 is a deficient number, since it is larger than the sum of its proper divisors (45842874027).

103137401781 is a wasteful number, since it uses less digits than its factorization.

103137401781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309912 (or 309909 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 103137401781 in words is "one hundred three billion, one hundred thirty-seven million, four hundred one thousand, seven hundred eighty-one".